Latest Photo Galleries:

• Photos: Top 10 reviews of the week
• Images: Satellites follow killer cyclone
• Images: How to make your car run on tequila (sort of)
• Images: A visit to 'negawatt' central
• Images: Riding the kiteboarding wave
• Photos: HTC's Touch Diamond phone
• Photos: Cracking open the Nintendo Wii Remote
• Photos: Maker Faire unboxed
• Photos: Top 10 reviews of the week
• Photos: The Victorian engine that could

More galleries »

Related Topics

• Global warming

The red line shows the position of the ice shelf in 2007.

Credit: British Antarctic Survey

More Galleries

• Photos: Top 10 reviews of the week
• Photos: Houseware makers seek greener products
• Images: Bat plane to spy for U.S. Army
• Images: A visit to 'negawatt' central
• Photos: The Victorian engine that could