In a new weekly feature we run down the top stories of the past seven days
1. China lowers expectations of Copenhagen deal Chinese premier says he hopes internal greenhouse gas emission targets signal adequate commitment to tackling climate change 2. New York lawsuit...
Natural beauty retailer reveals its Cork Pot sequesters more than 33 times its weight in carbon dioxide
Better transport policies targeting taxes at the most polluting vehicles would improve air quality, argues Bright Blue's William Nicolle
Demonstrator project will explore whether solar can directly supply power to railways' traction systems
Huge numbers of tiny particles of plastics in water supplies are unlikely to post serious health risk, but data is 'extremely limited' UN health body warns