A new report from the United Nations weather agency gives a three-out-of-four chance that the next five years will average more than 1.5 degrees Celsius above pre-industrial temperatures
David Acuña, battalion chief for the California Department of Forestry and Fire Protection, discusses the increase in wildfires affecting California and the nation.
“Charity: water” founder Scott Harrison reflects on two decades of impact, reaching 21 million people with clean drinking water and outlining the continued push to serve millions more worldwide.
David Attenborough, the world's most famous wildlife presenter, has celebrated his 100th birthday. Whit Johnson takes us on a journey through his life and legacy.
On “This Week,” chief White House correspondent Mary Bruce reports on the fallout from the EPA’s reversal of a scientific finding allowing the government to legislatively address climate change.
Michael Gerrard, director of the Sabin Center for Climate Change Law, breaks down what's at stake after the Trump administration ended regulations on greenhouse gas emissions.
ABC News senior White House correspondent Selina Wang explains why the administration moved to reverse the EPA’s endangerment finding and what could come next.
Environmental economist Bernardo Bastien-Olvera discusses new research showing that factoring in ocean damage nearly doubles the economic impact of climate change.