Climate science is not about belief - it's about evidence and rigorous testing.

"All you have to do is write one true sentence. Write the truest sentence that you know."

Our ambition is to be the responsible energy major, and that means producing more energy with fewer emissions.

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

I don't want to be perfect, but I do want to be a role model.