In San Diego, our local innovation economy is a thriving industry employing thousands of highly skilled workers.

Earth Day should encourage us to reflect on what we are doing to make our planet a more sustainable and livable place.

The unending chase for money, I believe, threatens to steal our democracy itself. I've used the word 'corrupting,' and I want to be very clear about it: I mean by it not the corruption of individuals, but a corruption of a system itself that all of us are forced to participate in against our will.

Corporations are a fictional entity that are designed to make money, and they're neither people nor patriots.

The risk to cities from climate impacts carries great social and economic cost and, of course, the loss of human lives.

You can shut down our economy and the effect on climate change, it will be nothing.

Years of Living Dangerously' is a wonderful opportunity to reach a lot of people with the story and importance of climate change in our lives; in recent history, there's no bigger threat to the quality of human life than what is taking place right now in respect of climate change.

I see a future where states compete with one another to see which can be the most efficient, and where businesses seek out efficient states in which to locate so they can reap the economic and environmental benefits for their businesses and employees.