On Earth Day, Gov. Mills announces $500,000 grant program for clean-energy startups

Gov. Janet Mills unveiled the competitive grant program on the same day that the Biden administration announced major climate-related goals for the U.S.

Back in Paris pact, U.S. faces tougher climate steps ahead

In a video speech to European leaders, the president declares, 'This is a global existential crisis, and all of us will suffer if we fail.'

What Biden’s good climate plan is missing so far

A "green by default" option for consumers is working in California and Germany.

In rebuttal: Terry Hansen: Lowry’s climate crisis views contradict experts

Burger King addresses climate change by changing cows’ diets

By tweaking their diet, Burger King said Tuesday that it believes it can reduce a cows' daily methane emissions by about 33%.

As Trump lashes out at ‘prophets of doom’ in Davos, Greta Thunberg calls for climate action

While Thunberg and Trump did not mention each other directly in their speeches, their remarks represented a head-on collision of worldviews.

Climate activist Greta Thunberg is Time ‘Person of the year’

The 16-year-old Swedish climate activist Thunberg is the youngest person to be named Time’s ‘Person of the year.’

Hundreds of scientists gather in Portland to address climate change in the Gulf of Maine

The Gulf of Maine 2050 International Symposium is aimed at sharing the latest science on ocean acidification and rising sea levels and ocean temperatures.

Weather Channel wades into climate debate with candidate interviews

It's the first time the network has gotten involved directly in a political campaign.

A climate change glossary of terms