Climate change doubt is an essential element of the Tea Party program.

In Seattle, a green business finds new life in downed trees.

First UK cycle share scheme to launch next week.

The leak is plugged. But is it too late to restore public confidence?

Alex Kovatchev finds a useful function for old washing machine drums.

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

Clever urban hack created by young L.A. duo encourages people to replant their neighborhoods.

Images of an ecosystem in flux by wildlife photographer Paul Souders.