Arctic 'vicious circle' observed affecting greenhouse gases

The widespread decline in Arctic sea ice is causing big changes to the balance of greenhouse gases in the atmosphere, say researchers from Sweden's Lund University.

Swedish engineers claim nanowire breakthrough in solar cell research

Researchers from Lund University in Sweden have successfully demonstrated how nanowires could potentially be used to pave the way for more efficient and cheaper solar cells.

Climate change isn't natural variation, says team

There's been no simultaneous warming of the northern and southern hemispheres in the last 20,000 years, scientists say, indicating that climate change can't be ascribed to natural variation.

New engine design halves fuel consumption - using nothing but air

A Swedish team has developed a technology that it says could halve fuel consumption by using the energy generated as a vehicle brakes.