Nature and art collide in these whirling, animated stick sculptures

Clear polymer solar cells could cover skyscrapers and tablets

Sustainability index launches with support from Nike, Walmart, and Levi's

Recycle Across America looks to make recycling as automatic as stopping at a red light

Stressed out? Get unwound to this calming collection of images

Environmental watchdogs point to mismanagement of issues like energy and waste

Is this what a vision quest looks like?

Sustainably-powered semi-submarine to be used for climate and ocean research

Conservation group American Rivers urges support for clean water protection