China

City officials impose temporary closures on polluting factories and order almost a third of government vehicles off the road

Mayor promises to take 180,000 old vehicles off the streets as part of emergency response to smog crisis

State media reports plans to formalise measures designed to curb pollution during smog-choked periods

Building sites closed and factories ordered to curb production as Beijing suffers record pollution

Commerce Department announces new tariffs as officials meet to try to resolve on-going clean tech trade battle between the two countries

The number of companies worldwide accredited by ISO14001 rose six per cent over 2011

Ministry of Environmental Protection sets new targets to tackle harmful air pollution, after admitting 70 per cent of cities fail to meet minimum standards

Lead climate negotiator says emissions will rise with economic growth, but pledges new measures to cut carbon whatever the outcome at Doha

Hu Jintao highlights environmental concerns at Communist Party Congress ahead of successor being named

Investigation into alleged subsidies provided by Beijing raises prospect of European import tariffs