Environmental Skeptics and Critics, 2014, 3(2): 24-38
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A review on heavy metal contamination in the soil worldwide: Situation, impact and remediation techniques

Chao Su1, LiQin Jiang1, WenJun Zhang1,2
1School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
2International Academy of Ecology and Environmental Sciences, Hong Kong

Received 16 March 2014;Accepted 21 April 2014;Published online 1 June 2014

Heavy metals in the soil refers to some significant heavy metals of biological toxicity, including mercury (Hg), cadmium (Cd), lead (Pb), chromium (Cr), and arsenic (As), etc. With the development of the global economy, both type and content of heavy metals in the soil caused by human activities have gradually increased in recent years, which have resulted in serious environment deterioration. In present study we compared and analyzed soil contamination of heavy metals in various cities/countries, and reviewed background, impact and remediation methods of soil heavy metal contamination worldwide.

Keywords soil;heavy metals;contamination;remediation;world.

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