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.

Unless we are willing to encourage our children to reconnect with and appreciate the natural world, we can't expect them to help protect and care for it.

If all humans disappeared today ,the earth would start improving tomorrow.If all the ants disappeared today ,the earth would start dying tomorrow.

Change is never easy, and it often creates discord, but when people come together for the good of humanity and the Earth, we can accomplish great things.

If one day I look out from my cabin's porch and see a row of windmills spinning in the distance, I won't curse them. I will praise them. It will mean we are finally getting somewhere.

If we pollute the air, water and soil that keep us alive and well, and destroy the biodiversity that allows natural systems to function, no amount of money will save us.

In nature there is no such thing as waste. In nature nothing is wasted; everything is recycled.

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

Education has failed in a very serious way to convey the most important lesson science can teach: skepticism.

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

Debating the best way to do something we shouldn't be doing in the first place is a sure way to end up in the wrong place.

It is much easier to put existing resources to better use, than to develop resources where they do not exist.

Today's business and health care climate may not be pleasant. Cutbacks, pay cuts and layoffs do not make anyone's job easy. But that does not mean that the humor need stop.

The truly powerful ideas are precisely the ones that never have to justify themselves.

You cannot hinder someone's free will, that's the first law of the Universe, no matter what the decision.

I don't see success as the goal. Obedience is the goal.

God cannot save them from fools.

I'm interested in what the virtues of all those things are, especially for the kind of person who's made their own world that revolves around them, like writers do. It seems especially precious.

Bill Hicks wasn't just a comic, he was a crusader against humanity's relentless capacity to underachieve

I'm not someone who gives prescriptives at the end of my films.

The printing press is the greatest weapon in the armoury of the modern commander.