But human borders mean nothing to air, water, windblown soil or seeds or migrating fish, birds or mammals.

Our choices at all levels-individual, community, corporate and government-affect nature. And they affect us.

Hydraulic fracturing requires massive amounts of water. Disposing of the toxic wastewater, as well as accidental spills, can contaminate drinking water and harm human health.

Environmentalism isn't a discipline or specialty. It's a way of seeing our place in the world. And we need everybody to see the world that way. Don't think 'In order to make a difference I have to become an environmentalist.'

The fact of the matter is that today, stuff-selling mega-corporations have a huge influence on our daily lives. And because of the competitive nature of our global economy, these corporations are generally only concerned with one thing - the bottom line. That is, maximising profit, regardless of the social or environmental costs.

You are what you do, not what you say.

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.