Scientists try to replicate climate denier findings and fail

Peer-reviewed studies that support skeptic talking points contain questionable physics and shoddy analysis.

Climate & Energy

Famous folks call for noisy climate activism ahead of Paris talks

Naomi Klein, Desmond Tutu, Vivienne Westwood, and others demand mass civil climate action.

Climate & Energy

A Hawaiian clean energy plant makes electricity from seawater and ammonia

Our oceans hold a lot of unharnessed energy. Here's one way to capture it.


We’re killing off all the animals and they are making it really difficult for us to save them

Scientists want to artificially inseminate endangered species, but that's easier said than done.


We’re making massive waste islands in the sea

A new NASA visualization shows how trash accumulates in oceanic garbage patches.

Climate & Energy

Lifting the crude oil export ban would be terrible for the climate

Congress may vote as soon as next month on whether to lift the ban, which has been in place since 1975.


Scientists say we’re “super” good at killing stuff

Compared to other predators, humans are like ruthless hunting machines.

Where's the sustainable beef?

Which method of raising cows is the most climate-friendly?

A new study compares the global warming potential of different beef production practices.


This company has 400 people hyped to build Elon Musk’s hyperloop

Hyperloop Transportation Technologies plans to break ground on a test track next year.