Great. Then I will continue with my next question.
In particular, when you're looking at the cost of climate change, there's a lot of talk about not being able to estimate accurately what's going to happen, so we don't always see that balance. We know what it's going to cost—we can look at the price on pollution—but we aren't always able to estimate what it will cost if we don't take action.
How do you address that, and how does the department try to encompass those costs that can't be completely—