From Tories running in circles over wind policy to an M&S milestone, we run down the top stories from the past week
Developers say more time will allow them to secure financial assurances from government, qualifying them for €600m funding pot
Raising ambition to 30 per cent cuts by 2020 one of six options for structural reform of flagging market
Business group argues long-term certainty represents most effective means of improving faltering EU emissions trading scheme
Allowances set to be auctioned before 2015 would instead be sold in 2019 and 2020
Brussels says it will 'stop the clock' on carbon pricing for airlines, giving industry 12 months to come up with a global scheme
Reports suggest UK government has provided insufficient assurances to secure share of €600m EU funding pot - but other countries may be in the same boat
AFC Energy secures funding to build alkaline fuel cell system at ICL’s chlor-alkaline chemical plant in Essex
Latest tit-for-tat action ratchets up global tensions over solar subsidies
Commission asks government to clarify how returning warm water into estuary will affect natural habitats