The future will be battery-powered

Densifying cities could cut emissions more than doing energy retrofits on buildings.

Trees lining California's streets valued at $1 billion, or $111 per tree

New study suggests that regrowing forests in South & Central America could sequester the equivalent of 21 years worth of carbon emissions from the region in the next 40 years

Political Topic Confounds Math Ability

Next Nature – a philosopher redefines technology as part of nature

Urban activists set out to sue San Francisco’s suburbs

Felons, addicts, immigrants: This bakery will hire anyone

Climate change is messing with leaves, and leaves are messing back

America’s solar boom, in charts