Paris chokes under worst winter air pollution in decade [http://cmsenvis.cmsindia.org/resources/newspaper/details.asp?id=87075]Paris choked on Wednesday under its worst winter pollution in a decade, with commuters enjoying free public transport and half of the cars ordered off the road in an effort clear the air.The surge in pollution has been driven by cold weather and near windless conditions that have trapped car exhaust, wood smoke and other pollutants, said the French capital’s AirParif air monitoring service