The warnings about global warming have been extremely clear for a long time. We are facing a global climate crisis. It is deepening. We are entering a period of consequences.

The dominance of short-term perspectives has led to routine decisions in the markets that sacrifice the long-term buildup of genuine value in pursuit of artificial, short-term gains.

In a time of darkness, you don't curse the darkness, you light a candle.

The cost reductions for renewable energy continue downward in a very dramatic way. We're in the early stages of a sustainability revolution in the globe that has the scale of the industrial revolution but the speed of the digital revolution. And you see it with renewable energy and you see it with LED lighting, which takes a fraction of the energy for the existing bulbs. All new lights are going to be LED. Electric vehicles. There are a lot of changes underway right now. I'm excited by the prospect, and I look forward to working in the months and years to come to accelerate this transition.

In the end, we must restore a balance within ourselves between who we are and what we are doing. Each of us must take a greater personal responsibility for this deteriorating global environment; each of us must take a hard look at the habits of mind and action that reflect - and have led to - this grave crisis.

A majority of Trump's voters were in favor of staying in the Paris Agreement. And if you look at what's really happening in the economy, the economic argument actually is very strongly in favor of the Paris Agreement. There are now twice as many jobs in the solar industry as in the coal industry. Solar jobs are growing 17 times faster than other jobs in the U.S.

Science has a culture that is inherently cautious and that is normally not a bad thing. You could even say conservative, because of the peer review process and because the scientific method prizes uncertainty and penalises anyone who goes out on any sort of a limb that is not held in place by abundant and well-documented evidence.