The health risks from tiny airborne particulate matter may soon face stricter federal regulation. But improving air quality remains a complex challenge.

We also have good news and bad news about dams and coal, plus how science and renewable energy can support Ukraine.

The “invisible monsters” of climate change and extinction stalk us all, but these experts in terror also remind us that fighting monsters helps create hope.

There’s still time to find out how to cast your ballot, even if you’re dealing with other recovery efforts.

Listen to new songs addressing the climate crisis by Julian Lennon, Midnight Oil, Laurie Anderson, Brian Eno, The Stop Shopping Choir and many others.

Voting on election day is job one, but the planet needs your civic commitment every other day of the year, too.

In a stark contrast to recent election years, voters in just two states will decide on environmental issues this November. But there’s still a lot at stake.

Both approval and ranked choice voting put fire under the feet of elected officials to do the right thing for the environment — or risk being voted out.

A squid biologist takes to the streets — and Skype — to share scientific knowledge.

New solutions are being tested to combat health risks from heat waves, particularly in urban “heat islands.”