Global Warming is a real threat. We are currently in the middle of a heating trend in the earth's cycle. With the increased amount of CO2 in the atmosphere, the planet could actually get warmer during this cycle than it has ever been before. The hottest days on record have been within the last six years. Humans have polluted the earth with green house gasses. It has been predicted that in addtion to the natural warming of the earth, we could be in for a very hot time indeed since the average temp could go up as much as 5 degrees. (incidently since the ice melting to the north, the ocean currents could be disrupted causing colder winters in some parts of the world).

Many wetlands, coral reefs, etc. are already in danger.

Without the greenhouse gasses, we would just be experiencing another normal warming trend before an ice age cycle. It looks like this might be a VERY warm trend. And, sorry to say, humans are responsible for the green house gasses, we are partly responsible.

Thirsty anyone?