unprompted span interrupted the 1st landscape goals of those work don't work for him in fact meets well lisa and kathy like to think that there's nationalism is not as ugly as someone else's nationalising part one of steve unscripted. the u.s. president's pledge at a world summit to cut emissions by 50 percent within 9 years the climate change activist is not impressed. you will still get away with continuing to contribute to the destruction of presence and future living conditions. and we look at the battle by biologists to save the mangrove forest from the ravages of urban development in brazil.

i want to close this is al jazeera live from doha also coming up. that was worth a $1000000.00. the funeral for a 20 year old shot by a police officer in the same u.s. city where george floyd. disputed waters we joined ukraine's navy as a patrol to see it as off after russia launches what it says a military exercise. so it could be the world's moment of peril or moment of opportunity the dramatic declaration from joe biden as he places the u.s. will be a global leader on climate change the president's kicked off a virtual summit on earth day by committing to an ambitious reduction in carbon emissions but critics are dismissing his plans as costly and ineffective white

house correspondent can we help it begins our coverage. a virtual global summit convened by u.s. president joe biden and invitation to world leaders to combat climate change collectively sharyn are mistaken shying is undeniable at the cost of going to action is key. united states is in a way where resolving to take action by denounce the u.s. would cut fossil fuel emissions by up to 52 percent by 2030 the earth day pledge renews america's commitment following 4 years of inaction by predecessor donald trump it more than doubles america's target under the 2015 paris climate agreement that trump withdrew from that biden rejoined when he took office. this just bursting into. song 40 world leaders participated including american adversaries

russia and china china is the world's biggest emitter of greenhouse gases president xi jinping pledged to achieve carbon neutrality by 2060 adding this jab at the united states china has committed to move from carbon peak to carbon neutrality in a much shorter time span than what might take many countries just weeks after the u.s. and russia leveled sanctions against one another ask elating tensions russian leader vladimir putin said he takes international commitments seriously like hero and paris hinting the united states does not russia st used its greenhouse gas emissions to greater extent than many other countries. but biden faces domestic challenges implementing his green economy or oil gas and chemical companies spent more than 100000000 dollars last year lobbying u.s. lawmakers to keep fossil fuel vehicles on the road speaking virtually before

a congressional panel swedish climate activists gratitude emberg back out to hold lawmakers accountable if they don't change i don't believe for a 2nd that you will actually do this because i'm a crisis doesn't exist in the public debate today and since it doesn't really exist in the general level of awareness is so absurdly low you will still get away with continuing to contribute to the destruction of presence and future living conditions president biden's announcement of a new u.s. goal for reducing greenhouse gas emissions is ambitious but what it lacked are specifics including a legislative plan a budget or any kind of proposal for meeting biden's new climate target kimberly help hit al-jazeera the white house for peace a we can begin blazer who is director of the international climate turn policy

campaign at this year club and joins us from new orleans showed blazer welcome to the program it's important targets has said it's an important signal to the rest of the world but talking is one thing delivering is another is it even achievable. it's a tivo ball yes i believe so all of the new models that we have and the new analysis that we have this sector by sector analysis that's referred to. them for and to in this plan i think it's absolutely achievable in fact 50 percent according to our analysis is the most of that is achievable. we just know from the world's most famous actress perhaps laying into world leaders saying that giving up without even trying of voices like gratz important to keep pushing governments to out to keep world leaders on their toes yes yes you have to have people continuing to push

because even this 50 percent is not all that's needed is not is not what is needed . for warming past the 1.5 degrees. that we would need to do to keep the worst of the climate crisis from happening and so yeah we need to keep pushing we need voices that continue to hold. his feet to the fire and make sure that we're actually doing all the thing is. any specific legislative plan no budget there was no live in utah getting 3 things through congress is going to be an almighty challenge. yeah so it didn't require legislative plan because it was it was just. a pledge right. implementing that pledge. i understand yes but i was going to say that there's all kinds of legislation that's been proposed that would help to implement this like build back

better and the green new deal and other other packages of legislation that are meant to sort of this up remember biden has asked for. an economy wide. a governmental wide climate push so every every sector of the government also has to come up with their plans for how they will implement this so the implementation is coming in and in fact it's already being revealed how do you protect those who will lose their livelihoods as we begin the phase out of fossils you. you know the build back better plan is a great example of how you just. bring the. trillions of dollars worth of new new job opportunities online so people are going to phase out of carbon intensive jobs and i live in louisiana where there petro

chemical companies are everywhere there's a ton of. i want even say well paying that there's a ton of jobs in an industry that is actively sinking where i live right last year we got 7 hurricanes tornadoes it's called tornado alley that used to be going down the center of the u.s. is now over to the east and so in the spring we're getting hit with tornado alley plus. all through the summer and into the fall we're having an extended hurricane season so it's i personally i'm really happy to see this this jobs plan that came before the n.b.c. and i'm happy to see this really aggressive in d.c. because lives do depend on it and livelihoods depend on it i mean we want something else to be you know we we need another industry here we don't want our jobs we don't want to have to choose between our lives and our jobs are. ok sure i'll have

to leave it to depreciate i should just say that it's a national commitment thanks so much for joining us from that the sierra club thank you thank you. told the summit the brazil will reach its goals on climate you try to achieve by 2050 that's 10 years earlier than expected the president says efforts will be boosted by ending illegal deforestation which is sought to a 12 year high under his government but environmentalist well they're skeptical it was some taking matters into their own hands on a communique of reports now from rio de janeiro. it has been a long and lonely walk for the past 22 years biologist my 2 most got fairly has been patrolling the shores of rio de janeiro's polluted one about a bay clearing layers of trash trapped in the mud than planting millions of mangrove seeds one by one fabio zhou has been working with him from the start.

when real arrived here this was a dump we've been planning an average of 40000 seeds every week now we have an entire forest. was cut there lee and his team have recovered 1300000 square kilometers of mangrove forest people have lent to 130 football stadiums the size of rio's maracana now he's working on filling another patch of dirty black mud the same size with this powerful green vegetation he hopes the mangroves will help diminish the effects of deforestation in the amazon in march more than 800 square kilometers of the rain forest were destroyed more than double the amount in the same month last year yelling mang growth of 4 dimes a capacitor absorbent carbon dioxide and the amazon rain forest and of the seas country new device with global warming they will be our last line of defense but mangroves protecting brazil's coast from north to south are in danger not from fire

but from rampant urban development and the lack of basic sanitation it's a problem faced by poor and rich neighborhoods alike as we could see on a boat ride behind this exclusive condo in baja that usual. we're surrounded by nature and one of rio's richest neighborhoods but this group transparent water here is dangerous it's full of bacteria from untreated sewage which can cause liver cancer. its fishing season here all year round and not the kind that attracts tourists. a black river carrying trash from the sprawling city slums flows into the lake where so far is floating. 5 years ago rio de janeiro promised to clean it sacked for the olympic games but not much was done don't you focus but there's more than enough money to take out of them violent what brazil lacks the

political will to a long term plan that would benefit nature as well as economy but it must last at least 20 cannot be changed every time a new government of the elected it took muska $32.00 decades to grow a mangrove forest almost all on his own he still hopes the results will convince others to follow his crusade monica and not give al-jazeera rio de janeiro a funeral has been held for don't deride the 20 year old black man who was shot dead by police during a traffic stop motions were running high coming just 2 days in a few kilometers from where a police officer was found guilty of murdering george floyd john hendren has more now from minneapolis and a warning there are some disturbing images in his report. to the family. dante to meet you is right it's become an all too familiar american scene a family gathered to mourn another black man killed by

a white police officer my son had a smile that was worth a $1000000.00. 20 year old dante wright pulled over for an expired license plate on april 11th was shot by a police officer who says she meant to fire her taser but drew her gun instead. that officer kim potter now faces a manslaughter charge don't say wright was killed in the midst of the trial of derrick chauvet the white police officer convicted on tuesday of murdering george floyd so this funeral drew many of the same dignitaries that attended that trial and 2 days after she opens conviction floyd's family was also here joining the right family in mourning all of minneapolis is that they are going to prance up brooklyn set. going to pass the george throwing justice in

leasing act as federal law we are going to make it against the law our own over this country to keep bringing us to a few rules for our young prince. dante right right. the right family lawyer ben crump who also represents the family of george floyd was introduced as the attorney general for black folks they became part of a fraternity that no family wants to be a part of. don't a right left a 2 year old son and a name that will now be added to the long list of black men in america who died at the hands of police john hendren al jazeera minneapolis. still ahead here in al-jazeera the spark that ignited violence between palestinians and israelis in occupied east jerusalem during the holy month of ramadan. and why the number of kevin 1000 vaccinations in the united states is going down the rate

of infections from. winter will not let go of north america it's not obvious from this except the amount of cloud that's in particularly new england and this is buffalo northern new york state snow falling but just bear in mind the date this is late april so it's a little bit later than you might expect or even want to know you are the flowers are growing through it but that's the picture we have however pretty rapidly goes temperature on the way up the forecast for friday's up in the teens again to toronto new york washington so that includes buffalo but there is still cold air in the mountains and once more this feed of gulf air means the to meet we're producing showers again from oklahoma southwards down towards the gulf coast and that lot

some which we pretty big suns storms yes that probably is a tornado risk is going to move eastwards as is normally the case and it happens during saturday. bartlett's jumps us to the caribbean is generally fine and dry picture there are the trade winds blowing steadily the rains nothing like as heavy as it was in other costa rica or panama it's what we have again in mexico monterey's up to $33.00 of us but average that we did hit 40 last week in south america huge showers that were around and further to the south an argentine are all still there in the north and heading towards paraguay. but. he's seen a family man. politicized by the forces of nature. filmed over 4 years i can name for my documents his struggle for his community survival

and builds a template for global action on climate change. to see if the climate dial he's a witness documentary on the counters in. the movie oh oh oh. but again what she does or her mind about top story is this and dozens of world leaders have joined activists and even pope francis at a 2 day meeting on climate change united states pledged to have its carbon emissions by 2030 or china said it would phase out its use of coal from 20 to 26. a funeral has been held in the u.s. state of minnesota for dawn to write to me shot dead by

a police officer this month from routine traffic stop the officer has resigned and is now facing manslaughter charges. but it was built nearly a century ago as one of the most innovative mega projects of its time the 32 kilometer enclosure dam in the netherlands has served to protect the nation from the sea but now rising water levels and increasing storms mean the government is having to reinforce the structure step fashion reports now from the slow dike in the netherlands. they are carefully designed to keep out a rising sea more than 70000 concrete blocks will strengthen the slide day and protect the netherlands against storms and high waves made with recycled material from the old dike every single one of the 6500 kilogram blocks contains an electronic chip you know where you have a super super super storm and there is somewhere some issue with all of these boxes so it's a little bit cold doll nor cracked or something then we can trace it and find out

which broke or to take it out. when construction began in the 1920 smen he did not believe the dutch could close off an entire sea and build a 32 kilometer long dike thousands of people worked on the project one stone at a time it was a gigantic project nearly a century ago and it's a maggot project once again will take 7 years before the us like that will be strong enough again but it is predicted the only protect the dutch heartland against the sea until 2050 after that more reinforcements are likely needed people who are protesting against the construction of the diagonal early 1900 could not have guessed how crucial it would be in the future. fishing community surrounding the southern sea lost their source of income when it turned into a sweetwater lake behind a dike part of the sea bottom or reclaimed and islands disappeared uli from the

bears grandfather was among those protesting against the project. all the minds of all these people who have looked into the future and see how much welfare it has brought and how it has taken our country forward they were not have protested claiming land has been a huge victory for the netherlands. from a country importing food the netherlands turned into an exporter well we are now at the bottom of the south to say so they made a huge boulder and at the end it is the biggest ball of the world historians say countries adapting to a changing climate can learn important lessons from the dutch experience up to building the our flight day so this fishery communities had a very strong sense of community and that made them very resilient against before this big change so if you have a community that has a very strong sense to togetherness they are more resilient and resilience will be

needed because in 30 years this barrier might not be high enough once again what can you do if if you need a stronger by the higher die you call us again. when the dutch built a dike they wanted to prove that in order to obtain land you don't need to go to war not realising that a different battle against rising sea levels was just around the corner step fasten al-jazeera on the day. russia is set to begin moving its troops away from its border with ukraine in the coming hours it's amassed tens of thousands of soldiers in the region leading to tension with ukraine and its western allies moscow maintains it was a military exercise and says troops will return to the bases but it says some equipments will be left behind for another drilled later this year and ukraine's president welcomed the move but they say they remain vigilant. for russia will continue with plans to close the strait between the black sea and the azoff sea blocking ukrainian and other foreign ships until the end of october and moscow says

it's for naval exercises kiev calls it's a violation of international law for joint ukraine's navy on sea of that of. the area poles maritime guard head out across a 4 c. the crew's work with ukrainian navy monitoring a russian warships in waters both countries share control of according 282003 maritime agreement but moscow recently deployed 15 warships to the azoff sea from its caspian fleet as part of a vast russian military build up along ukraine's borders in the. us the threat level has been the same since 2014 but in the past week we have seen more ships from the russian fleet including 8 landing craft 3 small artillery boats and other support vessels were about 6 of those very off the coast guard vessel

just missing the basics of a rocket around the world. the russians asked the coast guard to identify themselves the 2nd circuit so they say about conditions in these conditions. we approach one of a number of large even craning ships in the area monitoring russian naval and commercial shipping movements on the last. name your flag and your route as the voice on the radio. russian flag coming from the caucuses is the reply russia has also announced the closure of the curch straight to ukrainian and foreign navy ships for the next 6 months because of what it describes as military exercises it says commercial shipping will not be affected. the waterway which is around 60 nautical miles from here connects the as off to the black sea off crimea which russia illegally an extent 2014

kiev has accused moscow of provocations and trying to take control of its maritime borders almost literally over the 2003 hours of sea agreement is between ukraine and russia they have rights under that agreement to be closed but when that agreement was signed there was no conflict between us despite moscow announcing on thursday a gradual troop withdrawal from the area its closure of the curch strait will restrict ukraine's and foreign navy movements in the region for months to come charles trafford al-jazeera on the azoff see supporters of jailed russian opposition leader election of on the have urged him to end a hunger strike the head of the doctors alliance union says he risks dying in a prison hospital in a valley is in the 4th week of his strike he's demanding access to his own doctor more than 1500 supporters were arrested during widespread protests on wednesday calling for his immediate release. a dispute over gatherings to break the ramadan

fast in occupied east jerusalem has turned violent between palestinians and israelis stun grenades and water cannon have been used by israeli authorities to disperse palestinians he met at damascus gate after ifta all the breaking of the fast some palestinians responded by blowing off fireworks tension has been fueled by a video posted to social media showing a palestinian slapping an orthodox jewish man on the tram in the city our force it was outside damascus gate. this is been a night of considered racial tension here in occupied east jerusalem you can hear those stun grenades still going off in the background even now some time after this all began what we have is a group of jewish utes largely on one side of the roundabout behind us close to damascus gate an occupied east jerusalem they have marched to this area some of them chanting death to arabs organized we understand by an anti arab group called

the hover and they're here to confront what has been pretty much a nightly occurrence since the beginning of ramadan just over a week ago of clashes relatively minor ones between palestinian groups and israeli security forces what they say has spurred their decision to come here this jewish group is that they have seen videos posted on social media of young palestinian men attacking jewish people filming it putting it on social media and since those videos have been posted we have seen sporadic. more more standardized now going over on the palestinian side of this protest people scattering once again and so this is where most of the. clashes between and the skirmishes between palestinians and the security forces have been going on in the sort of amphitheater area just down there with the smokers in front of damascus gate as i say that's been going on to one level or another for some days now the difference. with this

night is that they have been confronted here by jewish anti arab groups and their security forces have been trying to separate them with some mixed success with injuries they had been these ongoing clashes throughout the evening rockets have fallen near baghdad's international airport according to security forces in the iraqi city at least 3 rockets hit the airport complex near a military base housing u.s. personnel there have been no reports of damage or casualties. the united states is a record of a drop in daily vaccinations for the 1st time since february over the past week about $3000000.00 doses were administered each day that's an 11 percent decrease from the week before and that's despite every american adult being eligible for the shots the slip in demand coincides with a surge of infections in some states mike hanna has more from washington d.c.

on some of the reasons for the decline. there's a number of theories about that one of which is of course the pores in the supply of the johnson and johnson vaccine which a board will be deciding on whether to resume vaccinations using that later this week but this does not account for such a massive drop and experts are concerned that this is now reaching a tipping point where the supply of vaccine far outstrips the demand now the simple answer to the question is that those who want to be vaccinated have been vaccinated at this particular point some 25 percent of americans are now fully vaccinated close to 50 percent have received at least one shot but polls indicate that there's as many as 35 percent of americans who are either adopting a wait and see attitude or are simply not going to get the vaccination for political or other reasons there's been a significant surge in a number of states many of them in the deep south and there's no there's

a correlation clearly between the amount of people vaccinated and the surgeon infection but another reason for the surgeon infection is the variants that are now creating the majority of new cases each day there are some 4 and a half 1000 deaths over the last week alone so there is a massive surge in the knowledge a number of states once again these tend to be republican dominated states because of the lack of vaccination and also because of the lack of mitigating measures which has been an issue throughout the the entire pandemic but the issue of the variance certainly playing a major role in creating what is a significant increase in the number of cases of covert. what kind of air is banning flights from india and pakistan for a month to help curb the spread of covert 19 this comes after india reported the world's highest daily number of cases with more than 314000 new infections kind of

his health minister said half of the transit travelers testing positive on arrival came from india and now says perseverance reva has achieved another 1st in space exploration by producing breathable oxygen on mars converted carbon dioxide from the washing up to make enough oxygen to keep an astronaut breathing for 10 minutes developing a sustainable source is seen as crucial to any future manned missions to the red planet. so this is our deserve these are the top stories and dozens of world leaders have joined activists and even pope francis at a 2 day meeting on climate change the united states pledged to have its carbon emissions by 2030 while china said it would phase out its use of coal from 2026 you know these steps will set america on a path to that 0 emissions economy by no later.