There is still time to act and avoid a worsening climate but we are wasting precious time.
James HansenThe forcings that drive long-term climate change are not known with an accuracy sufficient to define future climate change.
James HansenWe have to, in the next ten years, begin to decrease the rate of carbon dioxide emissions and then flatten it out. If that doesn't happen in ten years, we're going to be passing certain tipping points. If the ice sheets begin to disintegrate, what can you do about it? You can't tie a rope around an ice sheet.
James Hansen