Global use of fossil fuels rose to a new record last year, releasing even more greenhouse gases. Humanity is 'hurtling toward climate chaos,' scientists warn.

Far from Gulf Coast hurricanes and California wildfires, Chicagoland seems like a safe place to be in a warming world. But is it?

Finance for climate adaptation is only one-twelfth what the world needs, and the gap isn’t shrinking, the UN Environment Programme warns.

As Earth warms at a record rate, winters are shorter and milder and there is less snow globally, creating clear challenges for winter sports that depend on cold, snowy conditions. With 100 days until the Milan-Cortina Winter Olympic Games begin, many athletes say climate change is shaping their training and perhaps even the future of their sport.

Climate protesters have become increasingly confrontational, targeting conservatives as "climate criminals," vandalizing historic property and attempting citizen's arrests on CEOs.

ABC News’ Ginger Zee looks into the critical importance of climate data research has on the future of forecasting severe and potentially life-threatening storms.

Dependence on fossil fuels, global warming and the slow pace of adaptation to climate change cost millions of lives worldwide every year, according to a new international study. An annual report published in the medical journal The Lancet on Tuesday suggests 12 out of 20 indicators for climate-related health risks have reached record levels.

Dozens of climate protesters closed down part of a busy highway in the Netherlands on Tuesday, a day before the country goes to the polls in national election.