Emissions

Work on energy efficient aircraft could reduce CO2 emissions by 100 million tonnes a year, government says

Open letter signed by 32 leading figures says global agreement in 2013 would address climate change, boost international relations, and help airlines

Company plans to reduce emissions 35 per cent and energy consumption 25 per cent, while moving to 100 per cent sustainable palm oil

Campaign group highlights "growing gap" between lab results and real world driving, as UK industry reports growth in green car market

Global production matched UK crude oil in 2012, but industry needs internationally agreed standards to secure long-term future

Developers are struggling to convince investors, but first commercial-scale plants aim to demonstrate viability

UK Chamber of Shipping claims cost of new laws on sulphur emissions will make longer ferry routes uncompetitive

Average fleet emissions dropped four per cent to 132.3g/km during 2012 as nine car makers and eight nations surpassed EU 2015 targets

Crown Estate signs agreement for lease that would allow National Grid to store CO2 70 miles off the coast of Yorkshire

Relatively warm year sees gas usage at power stations at its lowest level since 1998, while homeowners turn down the heating