An epic quest by James Bowthorpe to row the Hudson River from its source to NYC -- in a kayak made of recycled waste

Underground growers secretly splice fruit-bearing branches onto city trees

In Rotterdam, Holland, discarded turbine parts are repurposed as elements of play

With climate change threatening coastal communities, floating buildings move from science fiction to reality

Will the first-ever cap on carbon emissions accelerate the demise of coal?

One-day cultural festival goes off in the name of reform

Scandinavian country sets ambitious renewable energy goals

Chinese photographer documents life along the world's sixth largest river

A zero-energy stunner nestled in the rolling hills near Carmel, CA