Make no mistake - developing the next generation of energy will be one of the greatest challenges that this generation of Americans will ever face.
Believe me, the production people can do it if they really try.
There's no more pressing challenge facing our country than the threat of climate change.
It will not be easy. It will not come without cost or without sacrifice.
When it comes to the issue that will determine the very future of life on this Earth, we are still Earth's best hope.
Leadership isn't about telling people what they want to hear - it's about telling them what they need to hear.
I will personally reach out to the leaders of the biggest carbon emitting nations.
It is time the world could point to America again.
That is the America I want to lead as President.
I will let them know that America is up to the challenge.
It’s time to make the cleaner way of doing business the more profitable way of doing business.