US natural gas driller to disclose chemical use.

BP installs new cap that it hopes will capture the crude leaking into the Gulf.

26-hour flight confirms viability of emissions-free air travel.

The story of a species on the brink of extinction.

A U.S. military base goes solar.

The switch to efficient lighting will have a significant impact on emissions – and climate change.

Report says exposure to BPA in canned food is "far more extensive" than plastic bottles.

Dot Earth asks why oil salvaged from the spill is going to BP instead of U.S. reserves.

Move follows plastic bag prohibitions by several Californian cities.

But do the functional benefits meet the aesthetic aims?