The two most abundant forms of power on earth are solar and wind, and they're getting cheaper and cheaper.

I bought my first electric car in 1970. Its top speed was 15 mph and it had just a 15 mile range - it was essentially a golf cart with a windshield wiper and a horn.

For decades, community colleges have been the backbone of American workforce training. Because they are nimble and closely attuned to local community needs, they are inherently positioned to be influential leaders of the movement for a sustainable economy.

This is a deeply spiritual issue...Do we want to spend more time trying to care for our fellow man or do we want to just pursue more virtual reality? That's the issue before us.. and it's being played out in the world of the environment.

It takes less land to grow a pound of broccoli than it does a pound of beef. Less land to grow a pound of grain than a pound of beef. Less water, less energy.

California has always led the way on environmental protection and always reaped the benefits, pioneering everything from catalytic convertors on cars to stationary source reduction.

You cannot be quiet about things that you know.