raleigh rolling you may die here you really get a sense of just the chaos that took place here who smell death i was pretty skeptical of this. did you think you were going to be able to change my mind? fastest-growing refugee crisis in europe do you think that you did that day? >> i go to steve, i don't know if i'll wake up. i go out. i don't know if i come back safe are you a con man no. >> my favorite. i shut the door likely get to go to places. >> a lot of people don't get to go dickey wanted me to

scratch his belly (electronic music) (cheering) (jayda): my name is jayda guy and my artist name is jayda g. - the disco house queen, black girl magic. she's about to take it to the next level.

(♪) (jayda): i've found success as a dj. now it's about using my platform for something that i believe in. not only am i a musician, but i also have ten years experience in field biology. i'm definitely a nerd! (laughing) i've been touring the world with my music, and now i want to focus on what's happening to our planet. the hardest thing when it comes to climate change is that it just feels so big and overwhelming. i like to concentrate on the stories

where there is hope because they are out there. (clapping) (laughing) i'm going to visit coastal communities that have a new ally in the fight against climate change. it's called "blue carbon". these are habitats which can conserve biodiversity... sorry, i'm way too happy! (laughing) protect our cities against storms and rising seas... and help us turn down the planet's thermostat. blue carbon is an untapped power that lies between land and sea.

(seagulls squawking) when i'm by the ocean, i remember what i love. (whales wailing) in college, i studied the effects of toxic chemicals on killer whales in waters near vancouver. (whales wailing) my first album was like an ode to my thesis. i would take the killer whale sounds and incorporate them in my music. (whales wailing) (soft music) (whales squealing in music)

(birdsong) now, i want to make a new anthem for nature, by recording the sounds of coastal habitats that we don't value enough. habitats scientists call "blue carbon". but for that, i need to go back out into the field. (electronic music) in southern florida, a vast network of waterways spill into the ocean, creating one of the most extensive

wetlands in north america. this is what a blue carbon ecosystem looks like. phoebe fitz is a local wildlife photographer. she draws inspiration from this landscape. but even here, she can see the signs of climate change. - so the palm trees, without the tops... - yeah - ...show that this area is being affected by sea-level rise. - really? - because if there are palm trees growing, it means that the water was fresh enough for them to survive. and then when they lose their heads, it means that the sea level is rising and there's more and more saltwater coming in, and then they can't survive. (insects chirping)

(jayda): i'm using a hydrophone, so i can record sounds underwater for my new song. (scraping) (chirping) what i'm hearing right now is the munching. like the manatees are like, chewing on the seagrass, and then i'm hearing like little like chirps of like, when the baby is talking to the mom. - they're definitely messy eaters. (laughing) - yeah, i know. - oh wow! - i know! (scraping continues) - love that. some good eating here. - i know. - that's great. must be some healthy and happy seagrass. - exactly. (soft music)

(squeaking) (fitz): i think, as a photographer, my goal is to be able to bring a sense of wonder and awe to people through my images and a glimpse into the life of a manatee. (squeaking) when you first see a manatee under the water, you just feel like you've stepped back in time. they look pretty prehistoric. (chirping) they feed on the seagrass beds or the seagrass meadows

down under the water. (jayda): these seagrass meadows are pumping out oxygen and filtering pollutants. (squeaking) they are at the center of this unique community... ...where manatees play a vital role in cultivating the seagrass. (fitz): the manatees are chomping on the seagrass and it's being redistributed, you know, when they pick it up, and some of it falls off and also when they digest it, and then distribute it in different areas of the river. (squeaking)

(jayda): clean, oxygenated water, plus all these places to hide, makes seagrass an ideal nursery for fish. a single acre can support up to 40,000 of them. but get this: scientists have now discovered that seagrass beds can also absorb significant amounts of carbon dioxide from the atmosphere.

(birdsong) i love like, the roots that are just like falling down onto, onto us. (chuckling) - yeah, it's amazing. it's like they're all crawling towards each other. (jayda): blue carbon isn't just seagrass. it's any coastal ecosystem that's good at absorbing carbon.

the best place to see this in action is in the gnarly, mangrove forests. these plants may not look like they're doing anything, but believe me they have superpowers. when you first came here in like... - that was 2014. - 2014. it was the first time you came through this tunnel? - it was the first time i came through this tunnel. - what was that like? - it was like... i was so happy. i was probably talking all the time. (laughing) i was just like so happy i couldn't believe that i was here. and you know, part of it's because the history of mangroves started right here, and the research started on those sites. - wow. - in the '70s. - right. - and it was so special to be here where, you know, like everything started. - yeah - plus, like, it's so beautiful. come on. - yes, it's gorgeous. there is such a beauty in these swamps, these transition spots from the ocean to the land,

and how they are just in between space. and i feel in-between spaces are always like these magical places. for andre, seeing these mangroves for the first time changed his life. (andre): i was at college and we had this ecology professor that took us out to the field. when we walked in, the tide was low. but up to that point, i didn't know what a tide was, right? so i'm walking into this like, mucky muddy forest, and then a couple hours in, working measuring trees, the waters start to raise and it kind of freaked me out because like, where's that water coming from? and he explained the whole thing. so twice a day, you have the tides, you know, flood the mangroves and then flushes away. and that just blew my mind. i had a friend of mine and we looked at each other, and we both, at the same time, were like, "this is it." - this is our life. - this is what we're gonna be doing.

- yeah. - i mean, you understand that? right? right, right. okay. and that was it. my passion is like, what you're looking at right now. i just love mangroves, and i mean, look around. so they absorb a lot of carbon dioxide from the atmosphere, and they use that to produce leaves and fruits and flowers and branches and roots. - yeah. - and that binds the carbon to the soil. so they're very efficient at sequestering and storing the carbon for a long time for like thousands of years. - one, two, three. - there you go. a little more. - grab it from the... there you go. one more. (grunting) - there. there you go. - oh my gosh. - this is low. - now, that's a nice core. it's spongy, right? - it is so spongy. like feel this, feel this. - yeah, it's a sponge. - that's pretty awesome. - that's wild. - this is crazy. this is basically, you're saying this is blue carbon then? - this is blue carbon. so yeah, it's not blue. it's brown,

but it is blue carbon. (laughing) - right. (jayda): so the "blue" in "blue carbon" is because this process is taking place under water, and that is the key. because in wet, swampy mud where there's little oxygen, the carbon can be safely stored away for millennia. it's wild to me that for so long, we have not given enough importance... - right. - ...to these kind of areas. and here we are in a climate crisis, and we're now holding on to these ecosystems for dear life, essentially. - yeah, yeah. (inhaling)

(electronic music) (jayda): we used to think that these bug-infested swamps were honestly a waste of space. in the past 50 years, we have drained, paved and polluted over a third of the world's blue carbon habitats. but what we're also destroying is the ability of these ecosystems to absorb carbon from the atmosphere. to avoid a climate disaster, we need to remove at least 23 billion tonnes of co2 every year by 2030.

blue carbon can absorb up to 5%. that's not a drop in the ocean. (electronic music) (cheering) if you want to be successful, as an entertainer, you have to be on social media. - ready? (jayda): you have to curate your look. - oh, that looks great. - you got, like, an image of the outfit? where's the light, what is wrong with me? i know how to do this. (chuckling) i'm always in a state of curated joy. but i don't wanna be a one-dimensional artist.

i also really want to talk about the environment, something that's really important to me and actually make a difference in the world.

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this generation is so dramatic! move with xfinity. (electronic music)

not far from the busy streets of ho chi minh city is a place that makes you believe in resurrection. my destination is can gio, an island about the size of new york city. (guitar playing) my forest guide, tung, is taking me to meet the man responsible for bringing this place back from the dead. (singing)

can gio, along with much of vietnam, is still recovering from one of the most devastating wartime attacks on nature in recent memory. (gunfire) (man in video): 1962 saw america launch operation ranch hand. u.s. troops spent nine years spraying the jungle with defoliants, agent orange being the most infamous.

it was one way america planned to win the war, dump herbicides all over the mangroves to force the vietcong to come out and fight. (gunfire) - the planes that actually drop, dropped the herbicide and the agent orange. - there's really nothing left. the amount of land is just so mind-boggling,

like how big the area was. (jayda): after the vietnam war ended, a young nam led efforts to resurrect the mangroves. (machine clicking) - right, so you were learning as you go.

(birdsong)

(birdsong) (cracking) what's that clicking sound? - that's really inspiring, actually. - it's so beautiful. (soft music)

(jayda): the restoration of this forest has been about so much more than just mangroves. once the poison receded, all kinds of creatures returned. and the system began to heal. (squawking) (chirping) (snorting)

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you hear the kind of symphony of what's going on here. how each place has its own orchestra. (trees cracking) each place has its very specific sound, and that can be a jumping off point for me musically. (animals squawking and chirping)

(soft music) can gio shields ho chi minh city better than any man-made structure ever could. a 3,200-feet-thick mangrove belt can stop a category 3 hurricane. (thunder rumbling) but now, this forest is at risk. the vietnamese government recently approved a 9-billion dollar tourist city on the edge of can gio. honestly, these images make me feel frustrated! (rain pattering)

if the developers don't protect the mangroves, vietnam's biggest city could be exposed to the full force of devastating storms. (thunder rumbling) (rhythmic music) and whatsmore, without this forest, the carbon stored here could escape back into the atmosphere. (man): hi, baby. jayda, don't go up there. you'll fall. - dad, mom... (jayda): my family loves nature. my mom and dad bought their property from doing many, many seasons of tree planting.

- here we are in our new house! (jayda): it's something that's important to us. it's a value system in my family, and my dad would take me fishing and camping. my father really gave me a sense of being comfortable being outside and a sense of belonging within nature. - i don't think he's going to let you get too close though. (laughing) - say, hi! say hi, kids! (all): hi! (jayda): i'm black, i'm jewish. my mom's white and jewish. - a lot of history in this picture. - that's right! (jayda): my dad is african american, he grew up in the states. - you wanna go see your daddy? (jayda): he passed away when i was really young. i was 10 and he was sick for many years.

my dad was one person amongst many who got drafted. he got really disenchanted with the army and started reading a lot more. he did serve as long as he had to. but as soon as he was done, he was out of there. and then he left up to canada, and it just seemed this safe haven kind of place. he started tree planting, and i wonder if coming to canada and being in nature was something that was a big part of his healing journey. i know for me that nature definitely heals me. and that's why i seek it out. (birds squawking) to see the resilience of nature is just... it's very inspiring.

(chirping, croaking) (gypsy jazz music playing) in france, the rhone river spills into the mediterranean sea creating one of the largest deltas in europe. they call it the camargue. (squawking) this is a saltmarsh, and just like seagrasses and mangroves, it is top-grade blue carbon. - saltmarshes are perfect stock for carbon.

(squawking) in this marsh, sometimes in the winter, we have up to 25 thousand ducks and geese here, and sometimes, we have wild boar swimming. nice. nice views. (jayda): it's a special kind of wildlife that thrives in these salty conditions. these blue carbon habitats are vital for conservation. but salt marshes face a new threat. - here we are in the delta, it's extremely flat. 70% of the camargue is below three-feet elevation. climate change is a reality, the sea level is rising. and you know, three feet is not much. (jayda): these marshes and tides are constantly monitored

and we now know that sea levels are rising twice as fast here as the global average, threatening to contaminate fresh water that the locals rely on. - smelly, huh. - yeah. - we measure the salinity in two places. - the deeper you go, the more salty it is? - yes, very high salinity. in summer time, the top of the groundwater can be 2 or 3 times the salinity of the sea. - yeah, yeah. - already now, we are not able to keep the shoreline where it is. clearly, in the coming decades and centuries, the camargue will progressively disappear like any lowland on the globe. (soft jazz music) (neighing)

people here, the local population, have the feeling that it's forever. but clearly, it's not. (mooing) we need to accept that it will change and to accept to adapt.

(jayda): today, coastlines all around the globe are under siege from rising seas and more intense storms. (rhythmic music)

(singing) if you want to see what the future holds, there's no better place than saint louis, on the west coast of africa. - i am a filmmaker and photographer. i have the chance to travel around senegal. saint louis is a really beautiful town, you know.

- you're from here originally, right? - oh, yeah, i'm from here, born here, raised here, you know, it's my family. my childhood was so beautiful. (chuckling) (jayda): saint louis was founded over 400 years ago in a mangrove forest, as were miami, mumbai and hong kong. but as this city grew, it lost its natural shield. and now, the ocean is moving in. - when i was in college, when one of my teachers told us, "you know, the langue de barbarie, you know, this place we are, like will disappear." we were laughing, but years and years, you know,

day by day, you know, we see, you know, how the climate change affects saint louis. as you can see, the ocean destroyed a lot of houses and people were moving somewhere. - how does that make you feel, cherif? - i'm feeling sad, really. a lot of the beautiful things, you know, they start to disappear. you lose all your beautiful memories. you try to recognise something, but you lose it, you completely lose it.

(dramatic music) (jayda): this is the front line of the climate crisis. people living in relocation camps. - here is diougop, the refugees climate camp, you know. - do you know how many people? - around 3000. (blowing raspberries) look. - that's the size of my town. - but look at how they get water. (hubbub)

(in english): she's been like, four years now they are here.

(in english): it's a plastic container. (electronic music)

(jayda, in english): how high does the water come in at high tide? (in english): ten feet. - ten feet. - yeah. - that's pretty close. (screaming) (indistinct shouting) (waves crashing) (ominous music)

(in english): she lived here. her house was just... - her house was right here? - right here, where we are. and the door was, you know, faced to the ocean. they get the breeze, you know, they were living in a good condition.

(in english): so they're basically sitting and waiting for the government to find a solution, and meanwhile, you have to keep surviving and keep continuing on. - and be patient. (chuckling) - patient is an understatement. - yeah. yeah. - i think... at this point. - one day, perhaps, we will have a solution. it's crazy. - it's crazy. (indistinct chatter) (jayda): the senegalese government says plans are underway to build a permanent settlement, but for khady, right now, her future is still uncertain.

and khady's fate is one that many of us could share. because 900 million people around the world live near the coast. (electronic music) but there are reasons for hope. travel south and you come to where the sine and saloum rivers meet the sea, on the edge of a vast mangrove forest. despite drought and human development almost threatening their existence, 14 percent of the world's mangroves still thrive here in west africa. (birdsong) for over a decade, cherif has been photographing

a group of women who are protecting these vital habitats. (cherif): so when i saw the women of nema ba working, replanting the mangroves, i was so happy. (rhythmic music) since 15 years now, they are replanting every year something like 4 or 5 hectares. volunteering. because they understand the importance of the preservation of this ecosystem of mangroves. jayda, welcome to nema ba. - thank you. - here is the village of the women. it's always like this singing, so welcome. (singing) and we have to dance.

(laughing) - woo! (laughing)

(singing) (jayda, in english): more than 3 billion people rely on food from the sea, much of which is nurtured in mangroves and seagrasses. - it's the women who replanted. - this is the replanting. - yes, all of this, you know. - wow! (singing, clapping) (jayda): oysters grow on mangrove roots, and in the past, people would cut the roots to harvest the oysters, and that damaged the trees. but these women have developed a sustainable way of farming. - this system helps them to protect, you know, really the mangrove. - mm-hmm. - because nobody will come to, you know, to, to cut the mangrove. (laughing) (in english): and then, they can just cut it off and take it.

(indistinct chatter) so they're putting these up, and they tie the, the old oysters on, and then as the tide goes up, then the oysters cling on to the old ones, and then they can pull them up like that? i see. - intelligent system. (jayda): here, we're seeing that it's their own initiative. it's not coming from the government or from research or from outside entities. it's coming from people living on the land, seeing changes over time, and deciding to do something about it. (indistinct chatter) so it's showing how when you have a community who has the knowledge of the land passed over for many generations, there's the understanding of how it used to be

and how it should be. (singing) (gasps) (laughing) too much dancing! (jayda, in english): the mangroves provide these women with the basics to survive. but it's subsistence living. that's why so many young people, especially men, have left the village in search of a better life.

(jayda, in english): bakary was just a kid when he attempted this dangerous journey to europe on a small boat.

(indistinct chatter) (in english): and they have some pictures to show you about the people who, you know, did the trip, the migration. (indistinct chatter) so, all of them, they pass away. - they passed. - now you see what is written, "mon rayon de soleil". my... - ray of sun. - yes, my sunshine. - sunshine, yeah.

- my heart is heavy for them because as someone who also grew up in a very close community, when you lose someone, the whole community feels it. - exactly. - it's not just the family, it's everyone around. - exactly. (in english): and he's ready to migrate again. he's ready. if he finds a way, he'll do the trip again. (soft music)

(birds squawking) (jayda): in rural senegal, it can be hard to find work that pays. but thanks to blue carbon, that could be changing.

elsewhere in the sine saloum delta, the deforested coastline has opened up a window of opportunity. replanting mangroves is becoming a new source of income. (bell tolling) (indistinct chatter) (in english): so jayda, he is karim, abdou karim sall. he's working years and years in like, the mangroves' preservation of this environment. he's a great activist.

(jayda, in english): karim sall leads one of the largest mangrove replanting efforts in africa. (jayda, in english): he travels the senegalese coast recruiting people to plant mangroves. and he's also an entrepreneur in an emerging market that is now placing a monetary value on blue carbon ecosystems. (movie playing) (electronic music)

(jayda, in english): replanted this whole area? wow. all of this? - all of this. (rhythmic music) (jayda, in english): who are the people who are coming with us to plant the mangroves?

(jayda, in english): so they're also being paid to actually replant the mangroves. so who, who is paying them? (in english): so why would a company like danone want to be giving money? - yeah. (jayda, in english): it's the carbon offset system essentially and danone was paying karim to offset their carbon.

who's paying this project that we're about to go plant? do you know? (in english): weforest. who is weforest? (jayda, in english): weforest is a matchmaker hooking up businesses who want to reduce their carbon footprint with tree-planting projects around the world. i'm on the we forest website, and here are some of the investors. this is how it works: if a company emits 1000 tons of carbon, it can pay for an equal amount of carbon to be absorbed by projects like karim's. it's an industry that analysts believe is now worth 900 billion dollars. that sounds like a windfall. but think about this: the people i've been planting with are paid a few dollars a day,

and they seem to have little say on how the project is managed or where the money is spent. (in english): so this one would be good. (indistinct chatter) yeah, see? (laughing) - okay.

(in english): ♪ let's protect nature, our dear ♪ (in english): ♪ let's protect nature, our dear ♪ (chirping)

(squawking) (animals calling) (jayda, in english): it's encouraging, what they're doing here in senegal. there's definitely a will... but is there a better way? (electronic music) ♪ in this world of confusion ♪ where there's so many allusions ♪ ♪ we suck the blood from the planet ♪ ♪ but it needs a transfusion and the redistribution of wealth ♪ ♪ but in this world of confusion, there's illusion ♪

♪ and most people will not accept the solution ♪ (jardya): jayda g, she travels around the world. plays at festivals that create a lot of waste and use a lot of energy. and then jayda guy who comes from a background of biology and ecology. and if you're looking at it from an environmental perspective, they're in paradox with each other. (squawking) jayda guy is able to forgive jayda g because she's still using her platform for the better good.

♪ father tell me where ♪ where is it written what am i meant to be ♪ ♪ that i may dare ♪ to figure out my one true destiny ♪ (jayda): i definitely have a big carbon footprint. yes, i do contribute to carbon offset programmes. do i think that's enough? no. do i do it anyways? yes. do i want a better solution? yes. one promising approach that i want to explore is in the caribbean. because it could be a model for how blue carbon offsets can have a bigger payoff for local people. (in spanish): ♪ i came here to ask my god ♪ i came here to ask my god

♪ oh, i ask my god ♪ oh, i ask my god ♪ oh, my goodness ♪ let me get rid of this pain because i can't stand it ♪ ♪ to ask my god again ♪ ♪ i came ♪ i came here to ask my god ♪

(singing in spanish) (singing) (jayda, in english): around 14,000 people live in cispatá bay, many of them make their living from these mangrove forests by harvesting timber, fishing or guiding tourists.

(chirping)

(indistinct chatter) (jayda, in english): for a long time, the cispatá bay community

had little financial incentive to conserve these mangroves. but now they do, and their voices are being listened to. (jayda, in english): the community leaders, like ignacia, shared their knowledge of the mangroves with government agencies, ngo's and scientists. and together, they came up with a long-term plan. (soft music)

(chirping) the cispatá bay mangrove forest is expected to sequester nearly a million tons of carbon in the next 30 years. but here, the community is part of the decision-making process. they help guide the investments, ensuring that 90% of the money is spent locally. it's a huge step forward compared to what i saw in senegal.

(cheering, applause) (jayda, in english): one of ignacia's challenges is trying to explain the complexities of the carbon market because, let's face it, it isn't easy to grasp for any of us.

(soft music) (jayda, in english): even those previously outcast by the community, are seeing an opportunity for a second chance.

(indistinct chatter) (laughing) (in english): sorry, i'm way too happy. (laughing) (jayda, in english): this is one of the biggest crocodile reintroduction programmes on earth. the reptiles are being raised from eggs,

and then reintroduced into the wild. and betsabe and his team of reformed poachers are supported by carbon credits. - he's one year. - this is one year, one-year-old. how big do they get? (jayda): oh! (jayda, in english): the crocodiles are weighed, and then photographed. they are identified by their tails. (water splashing)

37 pounds. (squawking)

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(engine rumbling) (indistinct chatter)

(soft music) (jayda, in english): it's a brave act reintroducing crocodiles where you live and work, but it's a recognition of the valuable job they do for the mangroves.

i think colombia was a perfect example of a different way of working. it's a different type of system that puts people first. but specifically, the people who have been marginalised by climate change. that's the system that we need to shine light on. (rhythmic music) i'm coming to the end of one of the most challenging but inspiring years on the road. (electronic music) - going up! - okay. - last day of tour! - last day of tour! yeah!

(electronic music) before i head back to the studio, there's a couple things i want to do. (cheering) first, reconnect. when i studied biology, most scientists hadn't even heard of blue carbon. and now, here we are, discovering yet another remarkable power that the ocean holds.

(whales vocalizing) while in brazil, i also want to meet one of my heroes, the musician and activist, seu jorge. he's spoken out against the destruction of the amazon rainforest. and i really admire the way he uses his voice

for the good of the environment and humanity. (singing) (jayda): he's such a good template for me of what it means to be a good artist. there's always the beginnings in your career where you have something that people want to listen to. (crowd cheering) and then, there's some point where you're like, "well, how do i give back?" (rhythmic music) (cheering) what's the point then if you don't have something to strive towards? trying to find that north star that's gonna give us hope, you know? we need it right now.

(cheering) (rhythmic music) (cheering)

- hey! - hello! (chuckling) such a beautiful home. - thank you. this is lulu, my daughter.

- hello, lulu. - hi. (jayda): seu jorge has offered to listen to some of the nature recordings that i've been collecting for my new song. ah, this is perfect. you also know it's a studio when you walk in and it's just like, the sound just cuts out. - the sound cuts out. (laughing) it's perfect for concentrating, studying and recording... - exactly. i'd love to share with you the adventure i've been on, it's been a wild ride. (scratching) this sound is the sound of the manatees eating... - she needs the seagrass. - yeah. i don't know if you can hear... hear that? (cracking) all that popping? are mangrove forests in vietnam. and then, as the water gets lower and lower, you start hearing this crackling and popping sound.

- cool. - right? - scary also. - i know. (laughing) - so cool. - super cool. - it's music. - it is! (bubbling) (squawking) (soft piano playing) (humming) (jayda, in english): i just remember, in colombia, this little girl comes up and she just has this intense, hypnotic voice just like, "pah! wow!"

(singing) (electronic music) it's this back-and-forth call between the colombian girl singing and me singing... ♪ it's a crying shame, if we only knew ♪ ♪ i'd still be with you ♪ - i'd still be with you. it's a crying shame, how we treat the environment. and if we only knew a better way, i'd still be with you. the planet. (rhythmic music) ♪ it's a crying shame ♪ if we only knew

♪ i'd still be with you (jayda): who would have thought that these unsung ribbons of life along our coasts could be so critical to our survival? it's been a revelation to me that blue carbon ecosystems can help us tackle so many of the impacts of climate change. (♪) i like this. there is no technology we humans can invent which is as powerful or as versatile. we just need to plant. and we need to protect. nature will do the rest. this is science you can dance to! ♪ i'd still be with you... ♪

(♪)