French president Emmanuel Macron recently announced plans to close all of the country's coal-fired power plants two years ahead of schedule.
Thousands of scientists from 184 countries have endorsed an open letter that outlines some of the Earth's most pressing environmental problems.
“These facts have been presented time and again, year after year, for decades,” DiCaprio says. “Quite simply, we are knowingly doing this to ourselves."
More than 630 companies are calling out President-elect Donald Trump in an open letter. It asks him to keep the promises the United States made during the Paris Agreement and move us closer to a low-carbon economy.
In between time checks on the Doomsday Clock, Stephen Hawking is here to remind us we are living in dangerous times.