On the top of these mile thick slabs of ice the water is percolating quickly to the base and greasing the skids, as it were, for the slide of that ice into the ocean.

To me the analogy [to climate change] is... doctors worry a lot about cholesterol. And if you go to the doctor, and the doctor says "oh, your life would be happier if you ate a different diet and exercised" people pay no attention.

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

I'm guessing the most efficient way would be to transfer an awful lot of technology, but also direct aid to deal with climate emergencies already underway. Hillary [Clinton] has already said $100 billion a year would be appropriate.

There is no ideal Christmas; only the one Christmas you decide to make as a reflection of your values, desires, affections, traditions.

Stop thinking about global warming as a future threat and understand it instead as a present emergency, one that requires a far stronger policy response than we'd imagined.

In my own faith tradition, these questions have been very important. It has always been easiest for me to apprehend God in the natural world. I love to go to church, but when I really want to feel the presence of the divine I'm more likely to head up into the mountains.