Most recent stories

• Old forests capture plenty of carbon - Premium content

  Planting a new tree may be a less effective way to sequester carbon than saving an old tree from the axe.

  10 September 2008

• 'Lucky' Louisiana unprepared for Gustav - Premium content

  Coastal restoration hit by hurricane.

  10 September 2008

• The levee watcher - Premium content

  Geologist David Rogers lambasted decision-makers after hurricane Katrina breached New Orleans' defences in 2005. As this year's hurricane season heats up, how much has changed?

  03 September 2008

• Hurricane Gustav barrels ashore - Premium content

  Category-two storm hits the US Gulf Coast.

  01 September 2008

• Cougar's movements betrayed by claw analysis - Premium content

  Stable isotope analysis helps to retrace animal's steps.

  09 August 2008

• Snails transmute to guard against danger - Premium content

  Changes in shell structure are induced by the presence of predators.

  08 August 2008

• Google tool identifies linchpin species - Premium content

  Search system predicts what prey are needed to keep an ecosystem working.

  06 August 2008

• Scientists identify algae that almost swamped the Olympics - Premium content

  Algal bloom may have been boosted by fertilizer run-off.

  04 August 2008

• Warming world altering thousands of natural systems - Premium content

  Analysis shows effects of climate change on almost 30,000 biological and physical phenomena.

  14 May 2008

• Gut reactions - Premium content

  Analytical technique shows how metabolism varies between populations.

  18 April 2008