If you were running a solar company you may be okay - you may be able to keep growing. The question for physics is: Can you grow fast enough to begin to catch up with the damage?

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)

For the wonder of a first love can never be matched.

The hero, it might be said, is called into being when perception of a need an the recognition of responsibility toward it are backed up by the will to act.

There is no such thing as part freedom.

My love came back to me Under the November tree Shelterless and dim. He put his hand upon my shoulder, He did not think me strange or older, Nor I, him.

As an entrepreneur you have responsibilities in trying to operate well in what you have to do. There is a positive effect if you end up doing that. That's where I try to spend most of my efforts.

The first lady is, and always has been, an unpaid public servant elected by one person, her husband.

Immigration is one of the leading contributors to population growth.

All things change, nothing perishes.

To sustain love, a man and a woman must continually be marrying and divorcing, moving with, against, away from, and beyond each other, saying 'yes' and 'no'.

I miss my hair, but I feel like going out there with some fake braids wouldn't be right. I want to be the most genuine performer I can be.