US citizens: Call on congresscritters to co-sponsor the bills for single-payer health care.

The Western Antarctic ice sheet is melting, and it will eventually raise sea level up to 4 meters (13 feet).

It will take centuries, but many great cities will be drowned. I think Miami will be little loss, but New York, Washington DC and Boston will be a shame, not to mention London, Amsterdam, Shanghai and Tokyo.

The East Antarctic ice sheet may go too.

Way to go, Koch brothers. Can the landowners that will be flooded out sue you now for the decrease in their property values?

Recent research dispels the last hope that the complexities of the Earth's system would reduce the heating caused by a given amount of greenhouse gas.

To avoid catastrophic heating we must emit less greenhouse gas. However, the heating-denial machine keeps rolling on to make sure the Earth does not escape the Koch brothers' intended doom.

Gentrification of slums in Rio de Janeiro has forced thousands of poor people into squatting.

This requires a two-pronged solution: increased house construction and reduced birth rate.

Iranian women are protesting religious oppression by posting photos of their unveiled faces.