Emissions

Defra study says feeding animals maize silage, naked oats and higher sugar grasses can cut the amount of methane they produce

Transport for London targets most polluted roads with lower carbon buses

Software installed on 80 per cent of bus fleet should help drivers cut emissions and accidents, company says

Annual industry report says average carbon output has dropped 20 per cent over the last decade

Green Transport Network to help small and medium sized transport firms cut 17 million tonnes of CO2 per year

Satellite-guided planes will cut European emissions by ensuring they spend less time in the air

Cargill announces full-sized trial with prediction 320m2 kite will reduce fuel use by up to 35 per cent

Maersk's head of environment warns UN body may prove redundant if it cannot secure carbon-cutting deal for shipping by July

Airlines fear insufficient allocation of emissions trading scheme credits if 2010 is used as a base year