Future of Kyoto Protocol emerges as main flash point during first week of talks as Japan says it will not extend "unfair and ineffective" agreement
Committee recommends government imposes emissions performance standard, but warns it will have to tread carefully
Welsh government launches waste crackdown with five pence a bag charge
Cancun Summit hosts launch of Climate Finance Options to help developing countries access green funding
India and EU attempt to break deadlock with new proposals for measurement, reporting and verification
American diplomat reveals US will not support Mexican strategy of focusing on a handful of key issues
PM turns down Mexico's invite to summit where backroom deals show how progress can be made despite low expectations
Countries admit to bilateral talks on emissions reporting prior to the summit
Committee of Public Accounts criticizes "unacceptably slow" roll out of renewable energy technologies
The Cancun Climate Summit remains crucial, but real progress towards cutting emissions will have to be delivered elsewhere