2016-12-09 04:47:02 UTC
Also males comparison to India levels
Smog limits visibility to 50 m at the worst times in Delhi which continues to try to meet its 2001 target for eliminating diesel buses. Air in new commercial buildings in Beijing is heavily filtered. Look up Asia-Pacific's Green Building Award winners. The Great Smog of London, 5 days in 1952, produced 4-12 thousand dead & 100,000 sick. Paris, Mexico City, Madrid and Athens to ban diesel vehicles by 2025 putting pressure on London to follow suit. Diesel particulate filters on vehicles built to the 2009 'Euro 5' standard require high maintenance to work well. Meanwhile, there are concerns about exhaust from burning natural gas; next step fuel cells?