Arctic activities could hurt polar bears, but it won’t matter if sea ice keeps melting
They’re proving that energy can be cheap as well as green
With just two wolves left, Rolf Peterson is pushing for a genetic rescue. He’s about to get it
Did early humans jump-start global warming?
How a fiction novelist has chosen optimism when writing about climate change
Kerissa Battle’s enthusiasm for nature is contagious. She’s getting New Yorkers outdoors to track climate change
Lessons from approaching Day Zero in Cape Town
Starting online conversations one trash bag at a time
A massive passenger ferry in Alaska and British Columbia could help scientists track the complex process of ocean acidification
Insight into the disease’s ancient origins points toward the causes of the current epidemic
New evidence suggests an atmospheric bridge originating in Antarctica could have influenced global climate patterns during the last ice age
If you want to turn your kids into a bunch of little nerds, this is the place!
Sonali McDermid is worried about the planet’s food supply — and those seeking to eviscerate science
Global cooling forecasts from the 1970s don’t discredit today’s climate science
Climate change is pushing corals, and the biologists hoping to save them, to their limits.