Several high octane, waste-based biofuels are being tested by airlines as a way of curbing CO2. UN officials are set to endorse these fuels as a key part of global plans to stabilise aviation emissions by 2020. But critics say the plans are unrealistic and airlines are not taking the issue seriously.
The Local Government Association (LGA) is urging coffee giants to do more to ensure their cups are easily recycled because of the cost to councils of dealing with the waste.