At a Glance “We’re going to have more people on less land and sooner than we think," one researcher says.Research from Cornell University says 1.4 billion will need to relocate to escape rising seas by 2060. An estimated 2 billion people be displacedfrom their homes by 2100 due to climate-drivenrising seas, a new study says. Roughly one-fifth of the world's population may become climate change refugees, according to. The majority of those will be people who live on coastlines around...

At a Glance Scientists say the die-off at the Great Barrier Reef following marine heatwaves in 2016 and 2017 is transforming the world's largest reef system.While many corals died immediately from heat exposure, others died more slowly.The lead author says there is still hope, noting that there are "still about a billion corals alive." A massive coral die-off at Australia's Great Barrier Reef following marine heat waves in 2016 and 2017 has irreparably changed the world's largestreef system, a new...

At a Glance Air pollution may have played a role in a deadly 2009 landslide in China, researchers say.Toxic rain created by harmful pollutants in the air eroded a portion of the Jiweishan Mountain.Layers of shale and limestone underneath the land weakened over time due to the rain. Researchers are rethinking what factors can cause a landslide after a study suggested air pollution played a role in a devastating 2009 landslide in China. Seventy-four people were killed by the Jiweishan...