News Feature

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.