Beijing undertakes measures to fight air pollution
City has launched initiatives to gradually ban coal, impose a pollution fee and create “air corridors”
Singapore shrouded in Indonesian haze
Forest fires in Indonesia made air pollution levels in Singapore reach an annual high on October 2
Trees saving 850 human lives a year in US
In monetary terms, the health benefits caused due to removal of air pollution by trees in the US is $ 6.8 billion a year, says a study