Rob Dunn warns of coextinction of hundreds of thousands of species

Hundreds of thousands of tiny and unknown species are vanishing from Earth at an unprecedented rate, says Rob Dunn.

Jon Foley on potentially irreversible damage to planet

"It's the proverbial Humpty Dumpty problem - when you fall over the wall, you can't put it back together again," says Jon Foley.

Chelle Gentemann studies the living ocean from space

Chelle Gentemann uses satellite mapping of the ocean to help protect marine life - animals such as loggerhead turtles, salmon, and whales.

Bob Reed: ‘Giant snakes are here now, doing ecological damage’

Bob Reed said scientists are currently concerned about South Florida ecosystems, where Burmese Pythons now threaten vulnerable native species.

What we know about climate change

With all the talk about climate this week, it's a good time to revisit what we do know about climate change.

Rajendra Pachauri says climate change is real and caused by humans

Rajendra Pachauri spoke with EarthSky's and said, since 1990, experts have documented over 25,000 examples of climate change.

Why the media doesn’t talk about population

In past decades, "population control" and "overpopulation" were at the tip of everyone's tongues. So why don't we talk about population anymore?

Andrew Knoll: ‘Mass extinction is accurate description of how world is changing now’

Andrew Knoll has been working with biologists to try to put into perspective what he called today's catastrophic loss of biodiversity.

Marc Imhoff celebrates 10 years of Terra satellite

The Terra mission has been productive in providing data that is extremely useful, even after 10 years of being up there," says Marc Imhoff.

John Wiltshire explores growing Hawaiian island

John Wiltshire uses research vessels to survey the new craters and landslides. He uses underwater robots, to explore the emerging island.