Neil Wagner on how global warming threatens the world economy

With improving technology and falling prices, the globe of the future is here, now

In an NYT op-ed, Robert Kennedy Jr. and David Crane make the case for expanded solar

Nature and art collide in these whirling, animated stick sculptures

Massive companies are gobbling up the organic food industry. Should we be concerned?

This tiny floating dwelling is big on sustainability

Global investment in renewable energy powered to record $257 billion in 2011, according to UN report

An illusory mountainscape installation 'invisibly cast' in draped plastic

Urban agriculture takes root at a community garden in the German capital

Homeowners flock to creative financing deals for solar panels