For the sake of our health, our children and grandchildren and even our economic well-being, we must make protecting the planet our top priority.

It's not unexpected that shooting massive amounts of water, sand, and chemicals at high pressure into the earth to shatter shale and release natural gas might shake things up. But earthquakes aren't the worst problem with fracking.

Our identity includes our natural world, how we move through it, how we interact with it and how it sustains us.

More than any other time in history, the 1990s will be a turning point for human civilization.

If we want to move towards a low-polluting, sustainable society, we need to get consumers to think about their purchases.

Because we aren't certain about the effects of GMOs, we must consider one of the guiding principles in science, the precautionary principle. Under this principle, if a policy or action could harm human health or the environment, we must not proceed until we know for sure what the impact will be. And it is up to those proposing the action or policy to prove that it is not harmful.

The government's desire to expand global trade may be understandable, but we mustn't give away too much. We must tell our elected representatives to at least delay the Canada-China FIPA until it has been examined more thoroughly, and to reconsider the inclusion of investor-state arbitration mechanisms in all trade deals.