1. Climate change

1.1 20th century effects

(According to .)

In 2007, the Intergovernmental Panel on Climate Change (IPCC) published its latest report.

IPCC experts have concluded that there is a growing body of evidence of global warming and changes to the climate system:

• mean surface temperature (average of air temperature over land and sea surface temperature) rose by 0.6°C (with a margin of error of ± 0.2°C) over the 20th century;

• warming occurred in two...