Impacts San Diego researcher finds particulate air pollution may mask the true effect of global warming New research out of San Diego finds scientists may be underestimating the speed and impact of greenhouse gas emissions on climate change.
Solutions www.bbc.com India air pollution: Will Gujarat's 'cap and trade' programme work? An Indian state has launched the world's first "cap and trading" programme to curb air pollution.
Solutions www.bbc.com Paris plans to cut pollution Could the French capital provide a template for cutting pollution in other cities?
Causes www.mprnews.org Wood heater makers push back against tighter pollution rules Health experts warn the units pollute too much. The industry warns tighter EPA standards will force higher costs on consumers.
