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

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.

To love is as natural as the blue sky.

Twice the size of a full grown man, with four muscular arms, it was his worst nightmare on steroids. -The Hyperscape Project

For science must breathe the oxygen of freedom.

... but every person who does serious time with a keyboard is attempting to translate his version of the world into words so that he might be understood.

Saints are usually killed by their own people.

Enthusiasm: If you don’t FEEL enthusiastic, ACT enthusiastic. Soon, you’ll BE enthusiastic. Double your enthusiasm and you’ll probably double your income.

Too many people live too much in the past. The past must be a springboard, not a sofa.

Do you know how to tell who the enemy is, Cassie?

It is only within a free society that the crucial moral features of human life can be protected and preserved

I haven't got a waist. I've just got a sort of place ... a bit like an unmarked level crossing.