Blackwater quashed a US investigation by threatening to kill the investigator.

The US created this situation by sending mercenaries to Iraq and failing to impose accountability on them. For instance, they got away with rape.

The US ought to extend to mercenaries the full spectrum of laws that apply to soldiers. Better yet, it should stop using mercenaries at all.

It's not clear why jellyfish are becoming more prevalent in the ocean, but they are. Sometimes catastrophically so.

I'm sure some aspect of human activities is responsible. We are changing ocean ecosystems in so many ways that it would be a bizarre coincidence if none of them contributed.

[US] Court Blocks Coal Mine Expansion For Not Counting The Costs Of Carbon Pollution.

Car exhaust makes it hard for certain moths to find flowers.

Former NASA Chief Scientist: "We're Effectively Taking a Sledgehammer to the Climate System".