. In fact, we are getting species that have 
never been seen off the Washington coast. Tuna. Certain species of tuna 
never seen before off the Washington coast before are now moving north 
along the coastline because of these warming temperatures.
  If you go to Alaska, you will see houses that are falling down 
because the tundra is melting. And that is significant because the 
tundra, and this is what is called a multiplier, a feedback effect, 
when the tundra melts because of warming, it releases enormo