Adding CO2 to the air is like throwing another blanket on the bed.

We are on the precipice of climate system tipping points beyond which there is no redemption.

The climate is nearing tipping points. Changes are beginning to appear and there is a potential for explosive changes, effects that would be irreversible, if we do not rapidly slow fossil-fuel emissions over the next few decades.

It would be immoral to leave young people with a climate system spiraling out of control.

Money has too big an influence on our politics in Washington and somehow we need to do something about that.

We're running out of time.

The trains carrying coal to power plants are death trains. Coal-fired power plants are factories of death.