If there is no cost to be paid for the indiscriminate dumping of pollution into the earth's atmosphere, then it should be a surprise to no one that today we will dump another 70 million tons of global warming pollution into the thin shell of atmosphere surrounding our planet. ... We have to [act] this year, not next year. Mother Nature does not do bailouts.

When you're going through an emotional experience and you're focussed completely on what's happening, you can't even spare any attention that the camera's there.

Distributed intelligence is the key to the advancement of human civilization. Dictatorships, communist countries, monarchies in the past all eventually collapsed because of their inefficiency in moving information.

As long as the government's actions are secret, it cannot be held accountable. A government for the people and by the people should be transparent to the people.

As president, I will bring all the parties and stakeholders together. I am going to come up with a solution that respects the environment and does not cause an upheaval in the economy.

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.

Well-established theories collapse under the weight of new facts and observations which cannot be explained, and then accumulate to the point where the once useful theory is clearly obsolete.