Reversing global warming will take a World War II level of mobilization. It is the work of tens of millions, not hundreds of thousands.

In countries where there are real civil wars, people go through a lot, and we should be willing to go through a lot to help them.

The Trump phenomenon has a lot of really good stuff in it, the anti-elitism, the concern for America's economy in the Rust Belt, the desire to see better days for the country. That's all great stuff. Some of that stuff is Bernie Sanders stuff. The problem is that it's marbled through with xenophobia and misogyny and bigotry.

The human family has invaluable friends and irreplaceable allies in the plant and animal worlds. We cannot continue to tug at the web of life without tearing a hole in the very fabric of our earthly existence - and eventually falling through that hole ourselves.

I have many sources of inspiration. I'd have to point to Dr. Martin Luther King, first and foremost. But my parents were good, hardworking folks who kept us in the church and the public schools, and out of trouble, for the most part.

You have a new media system and Donald Trump emerged as a new master of it.

As champions of green jobs, we're asking questions that progressives should like, like "How are we going to avoid baking the planet," and "How are we going to create jobs for ordinary Americans?" Meanwhile, we're offering solutions that conservative should like. I'm not calling for more welfare; I'm calling for more work.