Passengers and crew on two recent transatlantic flights may have been exposed to a rare and unusually drug-resistant strain of tuberculosis by an unidentified man who is now under federal quarantine. Officials at the Centers for Disease Control (CDC) say it’s been more than 40 years since a similar isolation order was given. MSNBC.com

Our planet is just five years away from climate change catastrophe – but can still be saved, according to a new report. The World Wide Fund for Nature (WWF) warns governments have until 2012 to “plant the seeds of change” and make positive moves to limit carbon emissions. If they fail to do so, the [...]

The effects of climate change could make at least one billion people homeless between now and 2050, says the charity Christian Aid. The group expects climate change to deepen an already worsening global migration crisis. In a report, the charity says it fears the wave of migrations will generate new conflicts in areas of the [...]

Average summer temperatures in the eastern US could soar by 5.5°C (10°F) by 2080, if human emissions continue to grow at their current rate of 2% a year, according to a new model. Leonard Druyan and colleagues at NASA’s Goddard Institute for Space Studies, US, analysed past weather patterns to determine how well commonly-used climate [...]

Depressing stuff from James Lovelock: “We are on the edge of the greatest die-off humanity has ever seen,” said Lovelock. “We will be lucky if 20% of us survive what is coming. We should be scared stiff.” Lovelock has delivered such warnings before, but this weekend they have a special resonance. Last week in Bangkok, [...]