The ozone hole was potentially a major catastrophe for the planet that was only stopped by the Montreal Protocol, so we can't go back on that
—Professor Ken Carslaw
Environmental scientists say they have concrete evidence that the planet is undergoing the "largest mass extinction in 65 million years". Leading environmental scientist Professor Norman Myers says the Earth is experiencing its "Sixth Extinction."
European Union leaders on the second day of their summit have agreed on measures to decrease emission of greenhouse gases and to start using more biological fuels.