The sustainability advocates' answer to doomsday prepping is the Transition movement, which provides lifeboat-type strategies to communities hoping to "power down" their economies in advance of peak oil resource constraints of the "Limits to Growth" variety.

Andre Angelantoni is among the crowd of geologists, oil-industry experts and numbers crunchers that believes we are at or near peak, and the way down will be a painful and bumpy ride.

Totnes, a sleepy seaside town in the West of England, has become the accidental epicenter of a quiet revolution.

It's time we step up the effort and fight the dirty industries that pollute our communities and jeopardize our children and grandchildren's future. Here are seven ways to do it.