Review

The Department for Transport's Act on CO2 site offers great advice on how to cut CO2 emissions while you drive

The Pure Trust offers a simple tool for calculating and offsetting the carbon emissions from your household and journeys

The Carbon Trust provides a raft of best practice guidance, tips and services for businesses and public sector organisations looking to cut their carbon footprint

For information on domestic energy use and climate change and advice on how to cut your carbon footprint and your energy bills check out the Energy Savings Trust

It may not be ready for business customers but Playengine's bamboo monitor offers an intriguing answer to the eWaste problem

The Great Global Warming Swindle takes the microscope to some pretty dubious carbon offsetting practices

Battery that recharges through USB port proves a Christmas winner