French President Emmanuel Macron put climate change high on the summit's agenda, which also includes discussions on inequality.
Many of the 2020 candidates at the Democratic National Committee gathering were silent on climate change, underscoring concerns it's getting scant attention.
Support for the idea is especially strong among Democrats and independents.
The vote came a day after the 2020 climate candidate Jay Inslee, who had been pushing for the debate, dropped out of the race.
The blazes are roasting South America's biggest country just as far-right President Jair Bolsonaro is rolling back environmental and indigenous protections.
Brazil's space agency said this week that tens of thousands of fires had charred the rainforest, and that's not good for the planet's fight against climate change.
The Washington state governor released a hefty library of climate policies and raised money from over 130,000 donors, but failed to break 1% in the polls.
A plaque on the former glacier warns that all glaciers might be gone within 200 years.
“Everybody, we have a chance to do this right, to save the world for humans,” the famed TV "science guy" said.
One scientist blasted Cornyn for being "utterly, despicably, proudly ignorant" of the threat to the planet.
"I won two elections handily," said the progressive Democrat. "What part of the will of the voters are they ignoring?”
I believe that forgoing children in the face of climate change is a chance for women to show strength, power and control.
The 16-year-old Swedish climate change activist sets sail for the U.S. on board a zero-emissions yacht on Wednesday.
Republican states' lawsuits halted the Obama-era Clean Power Plan. Now Democrats hope to replicate the model.
Beef products are to be removed from sale at Goldsmiths, University of London, as part of a plan to become carbon neutral by 2025.
“The future of our country is sacrificed at the altar of the filibuster," the former Senate majority leader wrote in a New York Times op-ed.
No, carbon dioxide emissions are not “good” for global food production.
The resolution praises the unofficial climate forums MSNBC and CNN promised to host, but makes no mention of an official DNC debate.