Many scientists and economists also say putting a price on carbon through carbon taxes and/or cap-and-trade is necessary.

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

Perhaps the whole world is actually a banquet, to which every living thing is invited. First you come as guests: then eventually you're on the menu.

More than a billion people lack adequate access to clean water.

We have become a force of nature.

We can't blame children for occupying themselves with Facebook rather than playing in the mud. Our society doesn't put a priority on connecting with nature. In fact, too often we tell them it's dirty and dangerous.

Any scientist who tells you they know that GMOs are safe and not to worry about it, is either ignorant of the history of science or is deliberately lying. Nobody knows what the long-term effect will be.