Germany looks to make dirty tech turn green

Clifftop home features sustainable strategies galore.

Two engineers, one Palestinian and one Israeli, unite to bring renewable energy to embattled region

Deal with SolarCity is search giant's largest clean tech investment

Other countries dominate hot market for green tech

Cirque du Soleil founder snaps transcendental images of Earth from space

New stretch of urban park opens just in time for summer

As the century-old technology runs its course, LED bulbs step up

But will it cause more problems that it fixes?

Venice Biennale exhibit considers idyllic northern paradise