I think the cost of energy will come down when we make this transition to renewable energy.

I decided to pick the diet that I thought would maximize my chances of long-term survival.

We are running out of time, we must have a planetary solution to a planetary crisis.

The scientific evidence of how serious this climate crisis is becoming continues to amass week after week after week.

Atheists have just as much of a right to the public discourse as any ... people of any religious faith in this country.

The answer is to end our reliance on carbon-based fuels... If we succeed, we create booming new industries, wealth, clean secure energy and maybe we prevent the greatest disaster so far in human history, saving millions of lives while improving billions more. If we fail, basically it's business as usual while things slowly get worse all around us.

I do genuinely believe that the political system is not linear. When it reaches a tipping point fashioned by a critical mass of opinion, the slow pace of change we're used to will no longer be the norm. I see a lot of signs every day that we're moving closer and closer to that tipping point.