Climate change is a huge problem, an almost insoluble problem.

Climate change is the single biggest thing that humans have ever done on this planet. The one thing that needs to be bigger is our movement to stop it.

The technology we need most badly is the technology of community, the knowledge about how to cooperate to get things done.

Very few people on earth ever get to say: 'I am doing, right now, the most important thing I could possibly be doing.' If you'll join this fight that's what you'll get to say

what you do every day is what forms your mind and precious few of us can or would spend most days outdoors.

In 50 years, no one will care about the fiscal cliff or the Euro crisis. They'll just ask, "So the Arctic melted, and then what did you do?"

Global warming is no longer a philosophical threat, no longer a future threat, no longer a threat at all. It's our reality.

Advent: the time to listen for footsteps - you can't hear footsteps when you're running yourself.

We've been given a warning by science, and a wake-up call by nature; it is up to us now to heed them.

The real negotiation is between humans on the one hand and chemistry and physics on the other. And chemistry and physics, unfortunately, don't bargain.

We can either save the planet from catastrophic warming, or protect fossil fuel CEOs. Not both. Do the math(s)

Reading literary fiction stimulates cognition beyond the brain functions related to reading, say, magazine articles, interviews, or most online nonfiction reporting.

India's great economic boom, the arrival of the Internet and outsourcing, have broken the wall between provincial India and the world.

The more you teach positive ideas to others, the better you learn them yourself.

What a wonderful and amazing Scheme have we here of the magnificent Vastness of the Universe! So many Suns, so many Earths.

I don't have an interest in any car that isn't good for the environment, other than maybe an aesthetic quality in a picture book.

I think that, like any art, fashion is about expression. It allows you to express yourself and your identity through what you choose to wear.

The primary declaration of Christianity is not "This do!" but "This happened!

You expect success, you respect failure.

The mode of consciousness of nonhuman species is quite different from human consciousness.

Glamour doesn’t just happen, people don’t wake up in the morning glamorous.