Making our buildings more energy-efficient is one of the fastest, easiest and cheapest ways to save money, combat pollution and create jobs right here in the United States of America.

WHITEHOUSE: Winning the Future with Clean Energy

Chinese officials last month implemented a drastic plan to combat Beijing's persistent pollution problems, taking half of the city's more than 3 million vehicles off the road, temporarily closing factories and chemical plants, and suspending all construction work.

CNN: Pollution, Internet, doping dominate Olympics lead-up

The results of the study have important implications for efforts to combat future climate change which are likely to take place alongside attempts to lower air pollution levels.

CNN: Study: Pollution helps plants absorb C02