Investment

G24i hopes to secure series of multimillion-pound deals with blue chips, allowing indoor light harvesting to replace batteries

Winners of first round expected to be announced April 2012, when a second tender will be launched

New report suggests valuation of top 200 listed fossil fuel firms is based on "unburnable" carbon assets

Sustainable bank targets 100MW of onshore wind capacity by 2015

Retailer says plans to fit Bradford distribution centre with PV panels was uneconomic, but eyes up Green Deal opportunities

Crown Estate announces increases in net profit near 10 per cent on previous year helped by long-term investment view

UN report details China's emergence as world's largest clean tech investor, while subsidy cuts see European levels fall

UNEP report contributor says unconventional renewable energy applications could drive low carbon investment in developing countries

SolarCentury unveils UK's largest array as Ecotricity connects country's first hybrid wind and solar plant to grid

Carbon allowance trading hits all-time high in June as analysts downgrade predicted average ETS Phase 3 price to €22 per tonne