Students collect old used batteries in the Shenzhou School, Xiangfan City of Hubei Province, on April 20, 2009. The Earth Day, celebrated on every April 22, is a day designed to inspire people's awareness and appreciation for the Earth's environment. [Xinhua]

Soldiers and students collect garbage on a beach in Wenzhou, Zhejiang Province, on April 20, 2009. The Earth Day, celebrated on every April 22, is a day designed to inspire people's awareness and appreciation for the Earth's environment. [Xinhua]