Autism team reach Kilimanjaro

'Cut CO2 with meat-free day'

Paul McCartney is urging consumers to fight global warming by going vegetarian at least once a week, ahead of an address he will deliver to the European Parliament.

• French boost for SA CO2 capture
• CO2 increasing, UN warns
• Airlines 'to halve CO2 by 2050'

Atom-smasher sets world record

The world's biggest atom-smasher has set a world record by accelerating to energy levels that had never been previously reached, the European Organisation for Nuclear Research (Cern) said.

• LHC speeding up proton beams
• LHC restart stuns scientists
• Large Hadron Collider starts up

Aus carbon laws face delay

Australia's key policy to fight global warming has limped closer to defeat with parliament set to delay or reject the government's carbon emissions trade scheme.

• Aus opposition splits over bill
• Opposition backs Aus CO2 bill
• Aus PM urges carbon cut approval

Sir Newton enters cyberspace

Historic manuscripts by Sir Isaac Newton, Benjamin Franklin and other ground-breaking scientists will be published online for the first time, Britain's Royal Society said.