dramatically in the atmosphere, that is not just an intellectually 
interesting point. It means a change in our world.
  What it means in the rain forest, this scientist told me, I think his 
name was George, though I cannot remember his last name, is that 
certain plants metabolize carbon dioxide better than others and they 
grow faster than others. What they found is the parasitic plants, the 
plants that basically use other plants for a structure, like vines, and 
the vines are called lianas, and the lia