the world heritage committee was actually considering facing the great barrier reef on the endangered list back in twenty fifteen do you think that it should reconsider that is the barrier reef really in great danger today. well certainly the great barrier reef will be on the agenda already wrote her committee and twenty twenty know that that was hard of a decision made in twenty fifteen however the decision in twenty fifteen was because of the state of the water quality in the great barrier reef so it's a high priority for the world heritage committee to see the a string government really tackle its of the lottery the queensland state government has recently asked laws to improve the protection of education the catchment that we need is training government to also do the same thing so we want the road here just send it to. government and say what can you explain what you are doing to protect the great prairie from deforestation so as to improve what equality and avoid the great very being the student danger in trying to train the next ultimately what we want to do we want to see the

the great barrier reef, australia, wonder of the world.00 miles. but this paradise could soon be lost at the hands of a very surprising vandal. crown of thorns starfish eat coral, and although they're found here naturally, recently too many have been pouring in at once due to major weather events and ocean pollution. you would think a starfish would be a cute, gorgeous thing you would see on the great barrier reef. the crown of thorns starfish, not so much. they're spiky, ugly, they can have up to 20 or 30 arms. the biggest issue with crown of thorns starfish is that they can eat up to one metre of coral per day. when they're in plague proportions they can absolutely devastate a reef. to the rescue, the ranger bots. these underwater drones autonomously scour the reef starfish and prick them with a deadly dose of biosalt. the bots use an algorithm to identify starfish and then target them. their developers say they're 99.4% accurate. and they get smarter with time. traditionally, divers have monitored the reef by going out and doing a visua

adding to the problem with its agricultural and mining policies and regions at tovan is the great barrier reef campaign director at the australian marine conservation society and says the government is rene going on promises to protect the reef. the asserting that happened is not meeting its commitment to the growth heritage committee that it made back in twenty fifteen that commitment was to improve the water quality of the great barrier reef which is very poor and the poor water quality is exacerbated by deforestation in the great barrier reef catchment and unfortunately it's been a huge increase in integration of clearing of the catchment and this training government is just not done enough to stamp out that problem what happens when that day and it's cleared which it mainly has done for grazing development is that it leaves the too exposed and you get heavy rainfall and it results in the sort of washing off into the water courses of inflow into the great barrier reef and discharge large volumes of wind sentiment that incident dirties the water. and harleston other organisms need clear wate

to investigate what they describe as a strain is failure to protect the great barrier reef they present to the un as the unesco world heritage committee meets him behind a warming is seen as a major factor in the death of large parts of the reef but environmentalist also accuse the strain his government of adding to the problem this agricultural and mining policies engines of tovan is the great barrier reef campaign director at a stray marine conservation society she says the government has broken his promise to improve water quality by giving the ok from land clearing what happens when and it's cleared which is mainly is done well grazing development is that it leaves the sewer exposed and you get a heavy rainfall it results in the small washing off water courses that inflow into the great barrier reef and discharge large volumes of wind then instead of dirty water. and harleston other organisms need clear water to thrive very dirty water also can smother the corals the grasses and other organisms directly it can lead to increased elbow growth at the expense of coral growth and can als

i'm at the great barrier reef. it's one of the natural wonders of the world. 's in trouble. >> this is the beginning of a planetary catastrophe. >> reporter: charlie veron is the world's leading authority on the great barrier reef. in a career spanning nearly half a century, he's discovered a quarter of the world's coral. >> do you still remember the first time you came out and saw some of this? >> i'll never forget the first time i did it. it made an immense impression on me. i was absolutely -- my life started. >> reporter: the 73-year-old godfather of coral gives me a guided tour. with a few short strokes, we dive into a vibrant underwater universe, a place where living coral, some of it centuries old, provides shelter and food for countless species of marine life. but then veron takes me to a nearby patch where the coral is dead as far as the eye can see. these coral forests cooked to death by record marine heat waves in 2016 and 2017. >> it's about half of all the corals of the great barrier reef, killed off. >> reporter: in just two years? >> two years. >

to investigate what they describe as australia's failure to protect the great barrier reef written to the united nations as the you know sco world heritage committee meets in bahrain global warming is seen as a major factor in the death of large parts of the reef but environmentalist's also accuse australia's government of adding to the problem with its agricultural and mining policies image and that of them is the great barrier reef campaign director of the australian marine conservation society she says the government is reneging on its promises to protect the raise. you're straying is not meeting its commitment to the world heritage committee that it made back in twenty fifteen their commitment was to improve the water quality of the great barrier reef which is very poor and the poor water quality is exacerbated by deforestation in the great river catchment and unfortunately it's been a huge increase in the ration of clearing of the catchment and this training government is just not done enough to stand out that problem what happens when they and it's clear which is mainly is done

environmentally thing australia has seen the government failed to protect the great barrier reef for a look at what they're counting on the u.n. to do about it. however we've got some wet weather making its way towards the proponents that will japan over the next couple of days well a lot of cloud here just snaking its way into the fall northeast of china and that will continue to just live its way further east which over the next day so there's that wet weather across the korean peninsula i could well lead to some localized flooding from north korea know the parts of south korea eventually it just nudges a little further east with the south which as we go on through wednesday say good parts of western japan by this stage will see the rain pushing it will be warm right as makes its way towards tokyo could touch thirty degrees celsius maybe a touch woman than that for a saka same plenty of rain recently into the southwest of china with some flooding things will improve as you go on through the next couple of days a little bit about whether they're still into hong kong for tuesday but

pressure on the un to investigate what they describe as a strain his failure to protect the great barrier reef everest into unesco world heritage committee meeting behind their warming is blamed for killing off large parts of the reef but environmentalist also accuse the stray as government of adding to the problem with its agricultural and mining policies emissions a thousand is the great barrier reef campaign director at a stray marine conservation society she says the government has broken his promise to improve water quality by giving the ok for land clearing. well what happens when they end of cleavage which is mainly if done well breaking development is that at least we saw that soon and you get a heavy rainfall it results in the sort of washing off into what courses of inflow into the great barrier reef and josh a lot of slime didn't get in and didn't the water. and carlton other repugnant need clear water to thrive they didn't go to zero second smother the corals and the grasses and other organisms directly it can lead to increased elbow growth at the expense of coral growth and can al

to investigate what they describe as a strain his failure to protect the great barrier reef they've risen to the un as the unesco world heritage committee meets him behind global warming is seen as a major factor in the death of large parts of the reef engines f.-o. them is the great barrier reef campaign director in marina conservation society she says the government has broken his promise to improve water quality by giving the ok to land clearing. well what happens when they ended cleavage which is mainly what breaking development is that at least three or that broke down and you get a heavy rainfall it results in the sort of washing off into what of course is inflow into the great barrier reef and josh a lot. of slime didn't fit in the water and carleton other repugnant didn't need clean water to thrive. in water also consume over the corals and the grasses and other organisms directly it can lead to increased elihu growth at the expense of coral growth and i can also suggested by outbreaks of orally to. all the. tree clearing and the fourth edition a very bad for the great barrier ree

is the great barrier reef campaign director at australian marine conservation society she says the government has broken its promise to improve water quality by giving the ok for land clearing. well what happens when they and it's cleared which is mainly is done well grazing development is that it leaves the sewer exposed and you get a heavy rainfall it results in the snow washing off into the water courses of inflow into the great barrier reef and discharge large volumes that winds it and then instead of dirty water. and harleston other organisms need clear water to thrive very dirty water also in smother the corals the grasses and other organisms directly it can lead to increased elbow growth at the expense of coral growth and can also exacerbate operates early to chronic stoppage so all of it's a tree clearing and deforestation and very bad for the great barrier is health so we're asking. the world heritage and. history governs and i asked the governor what it's actually doing to to reduce this problem to actually start treaty clearing in the great catch. to world cup and poland has become

ivan watson, cnn international correspondent: "i'm at the great barrier reef.wonders of the world. and it's in trouble." charlie veron, marine biologist: "this is the beginning of a planetary catastrophe."charlie veron is the world's leading authority on the great barrier reefin a career spanning nearly half a century, he's discovered a quarter of the world's coral. ivan watson, cnn international correspondent: do you still remember the first time you came out and saw some of this?" charlie veron, marine biologist: "i'll never forget the first time i did it. it made an immense impression on me. i was absolutelymy life started."the 73-year old godfather of coral gives me a guided tourwith a few short strokeswe dive into a vibrant underwater universe.a place where living coralsome of it centuries oldprovides shelter and food for countless species of marine life.but then veron takes me to a nearby patch where the coral is deadthese coral forests cooked to death by record marine heatwaves in 2016 and 2017.charlie veron, marine biologist: "it's about half of all the

environmentalists accuse australia's government of failing to protect the great barrier reef.

ivan watson, cnn international correspondent: "i'm at the great barrier reef.d. and it's in trouble." charlie veron, marine biologist: "this is the beginning of a planetary catastrophe."charlie veron is the world's leading authority on the great barrier reefin a career spanning nearly half a century, he's discovered a quarter of the world's coral. ivan watson, cnn international correspondent: do you still remember the first time you came out and saw some of this?" charlie veron, marine biologist: "i'll never forget the first time i did it. it made an immense impression on me. i was absolutelymy life started."the 73-year old godfather of coral gives me a guided tourwith a few short strokeswe dive into a vibrant underwater universe.a place where living coralsome of it centuries oldprovides shelter and food for countless species of marine life.but then veron takes me to a nearby patch where the coral is deadthese coral forests cooked to death by record marine heatwaves in 2016 and 2017.charlie veron, marine biologist: "it's about half of all the corals of the grea

pressure on the un to investigate what they describe as a strain is failure to protect the great barrier reef and to the un as the unesco world heritage committee meets in bahrain global warming is seen as a major factor in the death of large parts of the reef but environmentalists also accuse a strain is government of adding to the problem this agricultural and mining policies . with all the headlines talk to al-jazeera next african heads of state and government gather in mauritania for the thirty first assembly of the african union ongoing conflicts in the fight against corruption will take center stage al-jazeera will bring you extensive coverage of the summit and its outcomes the african union summit on al-jazeera. in the world it was born for me to eat and eat you see. i'm malcolm webb income part of the capital of uganda which is one of the countries where thousands of chimpanzees can still be found after the highland forested slopes because other countries they've already completely disappeared and wherever they live there on the tremendous pressure chimps like humans living through th

seabird nesting areas, and they also play an important role as areas for migratory birds to the great barrier reefperate, and obviously feed and forage on. so while you are undertaking this three—week baiting programme, will these islands be totally closed off the tourists? so rico, they will be closed. not because the infestations are so high that it would be a problem for visitors to them. it's highly unlikely our visitors to these islands would even see a rat during a visit. most people would come over for a day and spend a day enjoying the island and the fringing reefs, doing some snorkelling. but this is purely for management purposes, to allow us access and not hinder any visitor experience. certainly no rats in singapore. it is getting ready to host something important. as the world knows, singapore is getting ready to host the on—off summit between president trump and kimjong—un. but while it is currently definitely on, for now, rico, there's some wrangling going on? kasia, according to some reports, the north korean leader wants to stay in the presidential suite of an exclusive hotel here

are calling on the un to investigate what they describe as australia's failure to protect the great barrier reef they submitted their request to unesco's world heritage committee which is meeting in bahrain global warming is seen as a major factor in the death of large parts of the reef but environmentalist say australia as i recall children mining policies make the problem even worse. one of the biggest problems facing our oceans and the loss of seagrass meadows one check rule for roughly fifteen percent of the ocean's total carbon storage perhaps or they hope to wife as much carbon dioxide as rain forests and they're also question marine habitats for many endangered ocean species. but here on al corn slew in central california the tide could be turning for seagrass thanks to some unexpected allies. trying to meet their. this nine hundred hectare as she wary is where rivers throughout this region meet the pacific ocean this is the agricultural powerhouse of the united states and fertilizer and pesticide runoff threaten the balance of this delicate ecosystem so having farmers so close to the oce

>> shepard: on this day in 1770, a british explorer ran into australia's great barrier reef and wreckedne of the world's most popular tourist destinations. it's the only living thing you can see from space. after an accidental discovery 248 years ago today. the news continues now. here's neil. >> neil: all right. only five hours from now, the president of the united states sits down with the north korean leader, kim jong-un and stakes couldn't be higher. i'm neil cavuto. leading up to those talks, kim jong-un out and about visiting a sands casino resort in singapore. the guy doesn't get out that much. he stopped to pose for a selfie. former basketball star, dennis rodman saying he wants to cheer on both sides. and stocks ended up on the upside today. what is remarkable through trade wars and alienating comments back and forth between