Welcome, and congratulations to both of you on your appointments. I very much look forward to working with both of you.
Mr. Hamilton, I appreciated your answer to Mr. Toet's first question. My partner is an economist doing a Ph.D. in climate policy, so I understand perfectly well how economics intersects with environment. It's good to have that point of view.
My first question is for you, Mr. Hamilton, and it's a straightforward question. It might seem flippant, but I am not asking this in a flippant way. I'm asking this in a very serious way. I expect that if you were in my shoes, you'd want to know the answer as well.
What causes climate change?