The 2014 UN Climate Change Conference will be held from Dec. 1 to 12 in Lima, Peru.
The revised environmental protection law showed its teeth in its first two months, with more than 350 polluters receiving severe punishments.
Get an instant overview of the effects of smog on China's economic development.
Look at these amazing images of lenticular clouds. Because of their shape, they have been offered as an explanation for some UFO sightings.