More than 100 companies sign communiqué warning carbon pricing mechanism is needed to drive large-scale low-carbon investment
From Tories running in circles over wind policy to an M&S milestone, we run down the top stories from the past week
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
GreenBiz asks how companies should be preparing for California's imminent emissions trading scheme
International Emissions Trading Association launches initiative to help countries and businesses preparing to implement emissions trading schemes
Draft report raises prospect of expanding the number of industries covered by EU emissions trading scheme in order to tackle credit surplus
Report slams calls for technology neutral carbon pricing policies as so simplistic as to be 'absurd'