But survey finds large numbers of firms are still failing to measure their carbon footprint

Officials insist further pressure tests are required, amidst concerns operation could lead to fresh rupture of the well

Chinese solar manufacturer increases shipment forecast for the rest of the year

Minister says that recently introduced trading scheme is working

EPA Administrator Lisa Jackson promises to lead crackdown on soaring levels of electronic waste

Scottish researchers plan spin-off company to commercialise biofuel made from whisky by-products

Adrian Reed, UK director at European investment bank Altium, outlines the steps clean tech firms need to take to help secure financial backing

Research from M&A advisers finds 54 per cent increase in level of deal activity

Canadian firm edges towards completing controversial takeover of HS Orka with latest $87m deal