John Kerry: “We must learn from the mistakes of Kyoto, and we must make Copenhagen a success.”

I think we have to look at this beyond the China.

Only one group of people, and they are here in Washington, and some of them spread around the country.

There is no current proposal or plan that has been agreed to which would require us to do that.

the U.N. Finance Analysis suggests that it will cost trillions of dollars. Maybe $2.5 to $4.5 trillion a year between now and 2050.