At the very least, [such actions] signal to society and the world that a lot of Americans do see this as an issue of some urgency. Here, the national government is not speaking, but lots of other players are. |
The capacity of human beings to take actions have truly global consequences is a new thing. This is a big challenge, and it requires some real effort to open up dialogue. |
The Earth's climate system is very complex, so nobody can say absolutely, without question, this is going to happen in five, 10, 50 years time. |
There may not be a magic pill. There may well be certain players -- nations, states, companies -- that address the issue in different ways. |