Over 6,500 stores sign up to US EPA initiative to phase out use of ozone-depleting refrigerant
South Korea's Samsung invests $33m to support coal-to-fertilizer plant
Farmers team up with Carbon Trust to develop new carbon footprinting guidelines
Advisory body suggests draconian new measures as part of crack down on homes with F and G energy efficiency ratings
Green Building Council sets out plan for £5bn pay-as-you-save green home loan scheme
Walmart and FedEx latest to push forward plans for giant rooftop solar arrays
Software firm argues UK could cut carbon emissions by up to 25m tonnes by tackling unused office space
Claims over better recycling rates than competitors were adjusted for growth in sales
Carbon Reduction Commitment trading mechanism raises prospect of public sector buying carbon credits from private firms
$1.1bn project to trial oxygen-blown IGCC technology by 2017