Common Wealth

Since the start of the fossil fuel era, human combustion of fossil fuels and clearing of forests have increased the concentration of CO2 in the atmosphere from 280 ppm to 380 ppm today.

 

The Earth is warming and the climate is changing.

Eleven of the twelve hottest years worldwide on record occurred during 1995 to 2006.

The frequency of droughts has risen significantly around the world, and the same is true of extreme hurricanes like Katrina.

Regions have been hit by extraordinary heat waves, such as the one in Europe that killed around thirty thousand people in 2003