In a Massachussetts vacation home, sustainable design strategies abound

What we can learn from the coldest century on record

Carl Pope responds to a NY Times op-ed claiming the world's poor need cheap fossil fuels

Device could be used to beam power to remote locations or recharge phones wirelessly

A harsher economic environment for renewable power is inspiring the industry to toughen up

The House on Limekiln Line, designed by Lisa Moffitt, is a self-sustaining country home

This lovely holiday retreat on the Isle of Skye is elevated to minimize impact on the environment

In prestigious Vendee Globe sailing race, Javier Sanso's boat relies on the power of wind, water and sun

New device captures energy from riding your bike