By , and , CNNLink Copied!Ad Feedback — Hundreds of millions of people in India face a serious threat to their livelihoods and food security due to overexploitation of vital water supplies, according to the authors of a new study.India is one of the world’s biggest crop producers and more than half of its 1.3 billion people rely on agriculture for their livelihoods. But the groundwater that makes up has been steadily depleting for years.The study, published Wednesday in the journal Science Advances, found that overuse of groundwater could cause winter harvests in some regions of...…By , and , CNNLink Copied!Ad Feedback — Hundreds of millions of people in India face a serious threat to their livelihoods and food security due to overexploitation of vital water supplies, according to the authors of a new study.India is one of the world’s biggest crop producers and more than half of its 1.3 billion people rely on agriculture for their livelihoods. But the groundwater that makes up has been steadily depleting for years.The study, published Wednesday in the journal Science Advances, found that overuse of groundwater could cause winter harvests in some regions of...WW…

(CNN)Hundreds of millions of people in India face a serious threat to their livelihoods and food security due to overexploitation of vital water supplies, according to the authors of a new study.India is one of the world's biggest crop producers and more than half of its 1.3 billion people rely on agriculture for their livelihoods. But the groundwater that makes up has been steadily depleting for years.The study, published Wednesday in the journal Science Advances, found that overuse of groundwater could cause winter harvests in some regions of the country to fall up to two thirds by 2025.A...…(CNN)Hundreds of millions of people in India face a serious threat to their livelihoods and food security due to overexploitation of vital water supplies, according to the authors of a new study.India is one of the world's biggest crop producers and more than half of its 1.3 billion people rely on agriculture for their livelihoods. But the groundwater that makes up has been steadily depleting for years.The study, published Wednesday in the journal Science Advances, found that overuse of groundwater could cause winter harvests in some regions of the country to fall up to two thirds by 2025.A...WW…

(CNN)The United States officially rejoined the landmark international accord to limit global warming known as the Paris Agreement on Friday. Hours after he was sworn-in on January 20, President Joe Biden signed an beginning the 30-day process for the US to reenter the global pact.The US had late last year on former President Donald Trump's orders, becoming the first and only country to formally pull out of the deal since it was adopted in 2015. Rejoining the Paris Agreement is a significant step by the Biden administration to reverse the climate policies of the last four years, during which...…(CNN)The United States officially rejoined the landmark international accord to limit global warming known as the Paris Agreement on Friday. Hours after he was sworn-in on January 20, President Joe Biden signed an beginning the 30-day process for the US to reenter the global pact.The US had late last year on former President Donald Trump's orders, becoming the first and only country to formally pull out of the deal since it was adopted in 2015. Rejoining the Paris Agreement is a significant step by the Biden administration to reverse the climate policies of the last four years, during which...WW…

By , CNNLink Copied!Ad Feedback — From roads and buildings to cars and plastic, human civilization is built on lots of stuff.But roughly how much stuff have we actually created? And in the process, how much of the natural world have we consumed or destroyed?A new analysis finds that on both counts, it’s a lot … so much, in fact, that these materials may now outweigh all of the living things left on Earth.The year 2020 could be the year when human-made mass surpasses the overall weight of biomass – estimated to be roughly 1,100,000,000,000 tons, or 1.1 teratons – a milestone...…By , CNNLink Copied!Ad Feedback — From roads and buildings to cars and plastic, human civilization is built on lots of stuff.But roughly how much stuff have we actually created? And in the process, how much of the natural world have we consumed or destroyed?A new analysis finds that on both counts, it’s a lot … so much, in fact, that these materials may now outweigh all of the living things left on Earth.The year 2020 could be the year when human-made mass surpasses the overall weight of biomass – estimated to be roughly 1,100,000,000,000 tons, or 1.1 teratons – a milestone...WW…

(CNN)For decades, scientists say something alarming has been happening in the streams and rivers where coho salmon return from the Pacific Ocean to spawn along the West Coast.After heavy rain events each fall, the fish have been turning up dead in huge numbers before they spawn, a mysterious phenomenon that has been the .Now, scientists think they have found a key piece to this morbid puzzle -- and according to a new study, it's strewn all over North America's roadways.It starts with a chemical antioxidant known as 6PPD, used in tires around the world to make them last longer. However, as...…(CNN)For decades, scientists say something alarming has been happening in the streams and rivers where coho salmon return from the Pacific Ocean to spawn along the West Coast.After heavy rain events each fall, the fish have been turning up dead in huge numbers before they spawn, a mysterious phenomenon that has been the .Now, scientists think they have found a key piece to this morbid puzzle -- and according to a new study, it's strewn all over North America's roadways.It starts with a chemical antioxidant known as 6PPD, used in tires around the world to make them last longer. However, as...WW…

(CNN)The Trump administration is dropping the from the endangered species list under the assertion that the animal's population has sufficiently recovered, a move conservation groups decry as shortsighted and promise to challenge in court.The move comes after the US Fish and Wildlife Service from being listed under the Endangered Species Act after the wolf population increased. According to the US Fish and Wildlife Service, there are more than in the US."Today's action reflects the Trump Administration's continued commitment to species conservation based on the parameters of the law and the...…(CNN)The Trump administration is dropping the from the endangered species list under the assertion that the animal's population has sufficiently recovered, a move conservation groups decry as shortsighted and promise to challenge in court.The move comes after the US Fish and Wildlife Service from being listed under the Endangered Species Act after the wolf population increased. According to the US Fish and Wildlife Service, there are more than in the US."Today's action reflects the Trump Administration's continued commitment to species conservation based on the parameters of the law and the...WW…

By , CNNLink Copied!Ad Feedback — We’ve known for some time now that Greenland’s ice sheet is melting ., and the melting has accelerated rapidly since the 1990s.But in the context of Earth’s 4.5 billion-plus year history, melting in any one year or even a few decades amounts to the blink of an eye.Whether the rapid disintegration we’re seeing on Greenland today compares to anything that has happened in the past is a question on which the science is not completely clear.Now, , and it is not good news: The rate of melting we’re seeing today already threatens to exceed anything...…By , CNNLink Copied!Ad Feedback — We’ve known for some time now that Greenland’s ice sheet is melting ., and the melting has accelerated rapidly since the 1990s.But in the context of Earth’s 4.5 billion-plus year history, melting in any one year or even a few decades amounts to the blink of an eye.Whether the rapid disintegration we’re seeing on Greenland today compares to anything that has happened in the past is a question on which the science is not completely clear.Now, , and it is not good news: The rate of melting we’re seeing today already threatens to exceed anything...WW…

By and , CNNLink Copied!Ad Feedback — .And , as the city was blanketed in .The scale of the fires burning in the Western US right now are unprecedented.More than 3 million acres have burned in California alone, with , along with huge swaths of Oregon and Washington. Still, much of the West is only now entering what is typically the most active part of the region’s fire season.To scientists, the fingerprints of global warming on these wildfires – and so many other disasters, from to the hurricanes that have slammed the US – are clear.And as devastating as they have been, far worse...…By and , CNNLink Copied!Ad Feedback — .And , as the city was blanketed in .The scale of the fires burning in the Western US right now are unprecedented.More than 3 million acres have burned in California alone, with , along with huge swaths of Oregon and Washington. Still, much of the West is only now entering what is typically the most active part of the region’s fire season.To scientists, the fingerprints of global warming on these wildfires – and so many other disasters, from to the hurricanes that have slammed the US – are clear.And as devastating as they have been, far worse...WW…

(CNN)From to , some of today's most incredible robots have taken their inspiration from the animal kingdom.Now, robotics engineers at Georgia Tech have turned to an unlikely creature for their latest invention: the lazy, lovable sloth. Though the SlothBot, as it's called, may not be as exciting to watch in action as a robotic cheetah or dog, there is purpose in its slowness.When it comes to monitoring the gradual but critically important changes happening to the global climate, it pays to sit back, relax and stick around for a while. That's what the SlothBot is doing as we speak. Read...…(CNN)From to , some of today's most incredible robots have taken their inspiration from the animal kingdom.Now, robotics engineers at Georgia Tech have turned to an unlikely creature for their latest invention: the lazy, lovable sloth. Though the SlothBot, as it's called, may not be as exciting to watch in action as a robotic cheetah or dog, there is purpose in its slowness.When it comes to monitoring the gradual but critically important changes happening to the global climate, it pays to sit back, relax and stick around for a while. That's what the SlothBot is doing as we speak. Read...WW…

(CNN)As the planet's oceans and rivers warm, increased heat could pose a grave threat to the fish populations the world depends on by the end of this century.That's the alarming conclusion of a . Among the species the authors said are at risk are some of the most commercially important species on Earth -- including grocery store staples like Atlantic cod, Alaska pollock and sockeye salmon, and sport fishing favorites like swordfish, barracuda and brown trout.In fact, 60% of the fish species examined could struggle to reproduce in their current habitat ranges by the year 2100 if the climate...…(CNN)As the planet's oceans and rivers warm, increased heat could pose a grave threat to the fish populations the world depends on by the end of this century.That's the alarming conclusion of a . Among the species the authors said are at risk are some of the most commercially important species on Earth -- including grocery store staples like Atlantic cod, Alaska pollock and sockeye salmon, and sport fishing favorites like swordfish, barracuda and brown trout.In fact, 60% of the fish species examined could struggle to reproduce in their current habitat ranges by the year 2100 if the climate...WW…