Protecting the biosphere should be our highest priority or else we sicken and die.

The truth is, as most of us know, that global warming is real and humans are major contributors, mainly because we wastefully burn fossil fuels.

There are some things in the world we can't change.

Human beings are often at their best when responding to immediate crises - car accidents, house fires, hurricanes. We are less effective in the face of enormous but slow-moving crises such as the loss of biodiversity or climate change.

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

How you imagine the world determines how you live in it.

Most North Americans know that human-caused global warming is real, even if political leaders don't always reflect or act on that knowledge.