Investment

Neither side backs down in Oslo talks, with EU insistent aviation will be part of its emissions trading scheme from next year

French firm pays undisclosed amount to expand its marine portfolio with first wave energy investment

Russia could join China and the US in speaking out against aviation emissions being included in EU's cap and trade system

European Commission estimates energy-intensive sector will have accumulated allowances worth €7-12bn by the end of 2012

New security measures for emissions trading scheme proposed to avoid repeat of cyber fraud

Government's latest loan guarantee to support expansion of Calisolar's cheap and energy efficient silicon purification technology

Rail operator pledges to maintain zero-carbon journeys while refocusing on cutting company-wide emissions by a quarter

European trade body dismisses "myths" that it opposed entry into emission trading scheme, reiterates call for global mechanism

French oil giant completes acquisition of 60 per cent stake in US solar panel manufacturer

SSE and Dong lead group calling for changes to EU emissions trading scheme that take account of promised energy efficiency savings