Did you ever wonder what happens to your old laptop or cellphone when you throw it away?

Chances are some of your old electronic junk will end up in China.

According to a recent United Nations report, "China now appears to be the largest e-waste dumping site in the world."

E-waste, or electronic waste, consists of everything from scrapped TVs, refrigerators and air conditioners to that old desktop computer that may be collecting dust in your closet.

China and Australia top a global list of planned oil, gas and coal projects that will act as "carbon bombs" and push the planet towards catastrophic climate change, a Greenpeace report warned on Tuesday.

The number of people living in extreme poverty could increase by up to 3 billion by 2050 unless urgent action is taken to tackle environmental challenges, a major UN report warned on Thursday.

The 2013 Human Development Report hails better than expected progress on health, wealth and education in dozens of developing countries but says inaction on climate change, deforestation, and air and water pollution could end gains in the world's poorest countries and communities.

BEIJING, March 25 (Xinhua) -- Only three out of the 74 Chinese cities that were monitored for air quality last year reported clean air, while the large majority suffered various degrees of pollution, the Ministry of Environmental Protection said on Tuesday.

The three cities to meet government-set air quality standards are Haikou, capital of south China's Hainan Province, Zhoushan in east China's Zhejiang Province, and Lhasa, capital of southwest China's Tibet Autonomous Region.