Naomi Klein, Desmond Tutu, Vivienne Westwood, and others demand mass civil climate action.
Our oceans hold a lot of unharnessed energy. Here's one way to capture it.
Scientists want to artificially inseminate endangered species, but that's easier said than done.
A new NASA visualization shows how trash accumulates in oceanic garbage patches.
Congress may vote as soon as next month on whether to lift the ban, which has been in place since 1975.
Compared to other predators, humans are like ruthless hunting machines.
A new study compares the global warming potential of different beef production practices.
Hyperloop Transportation Technologies plans to break ground on a test track next year.
Which is true. But calls for shared ecosystems are naive in a world of ISIS.