Chile choked
Pollution forces authorities to impose strict measures in Chile
Dirty Rich City
Hong Kong will have to pay dearly for cleaning up its dirty air
Clean-up act
California strengthens air quality norms for particulate matter
London's parking charges will now be based on emissions
Clean air drive
Choose ecofriendly vehicles online
Netherlands to tax polluting cars
Fuel for thought
Germany calls for "sulphur-free" fuels
CPCB issues draft guideline for cement sector to reduce fugitive emissions
UNITED NATIONS
Carbon trading exchange in Sri Lanka
Don't give up the fight
UK releases climate change bill
Nine US states sue EPA over mercury emissions
Kolkata air cleaner
Two-stroke autorickshaw ban shows results