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Agri-cube turns a parking spot into a vegetable factory


Exploring the rainforest without touching the ground

On wind, Obama sees a clean energy winner


Toyota fuel cell vehicle debut set for 2015

Inspiration house is a zero-waste building

Yes, green cars are slowly appealing to Americans

US Army kicks off $7 billion clean power gold rush

This iconic New York High-Rise Breathes Easy

Gnarboards are electric skateboards on steroids


2013 Ford C-MAX hybrid scores strong EPA MPG ratings