News Feature in 2007

Now that the Intergovernmental Panel on Climate Change has spoken more clearly than ever — and policymakers are listening — it may be time to take a new direction. Amanda Leigh Haag reports on suggested ways forward.

Rising temperatures are changing mountain ecosystems as the heat forces some species upwards — until there is nowhere left to go. Emma Marris reports on the 'escalator effect', which is threatening species worldwide.

The melting of Arctic sea ice is blurring the biological boundaries between Pacific and Atlantic.

Florida's climate change plan is the latest in a wave of state strategies to limit greenhouse-gas emissions. Mark Schrope asks whether stand-alone efforts could substitute or drive federal action in the US.

Atmospheric aerosols compete with carbon dioxide as an agent of warming.

Recently revisited as a quick fix for global warming, 'geoengineering' could rapidly cool the climate but might also play havoc with the planet. Hannah Hoag reports.

Scientists claim to have located the 'missing carbon sink' in tropical forests that are absorbing around one billion tonnes more carbon than previously thought. Jane Burgermeister investigates.

Wind-blown dust from the Southwest US is shortening seasonal snow cover in Colorado's ski resorts.

Stormy debates continue between scientists over the evidence linking hurricanes to global warming as the Atlantic hurricane season gets underway.

As the world's largest trial carbon storage project gets underway, some are questioning its necessity. Hannah Hoag reports from Australia.