Some solutions are relatively simple and would provide economic benefits: implementing measures to conserve energy, putting a price on carbon through taxes and cap-and-trade and shifting from fossil fuels to clean and renewable energy sources.

Less than 10% of the fuel energy burned in automobiles is translated into forward motion of the vehicle and even then most of this energy is needed to move the vehicle itself, which typically weighs 20 times more than its passengers.

What permaculturists are doing is the most important activity that any group is doing on the planet.

One of the joys of being a grandparent is getting to see the world again through the eyes of a child.

I can't imagine anything more important than air, water, soil, energy and biodiversity. These are the things that keep us alive.

A baby nursing at a mother's breast... is an undeniable affirmation of our rootedness in nature.

As parents, grandparents, uncles and aunts we need to start getting out into nature with the young people in our lives. Families play a key role in getting kids outside.