This is an extremely costly, difficult and dangerous process that has potentially harmful environmental impacts.

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At the beginning of this century, China began taking steps to mitigate the harmful environmental impact of its rapid economic development.

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Enhanced investments would facilitate sustained coordination across research and regulatory agencies with the objective of reducing or eliminating harmful environmental exposures and modifying social and lifestyle factors implicated in breast cancer.

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The Environmental Protection Agency consistently ranks hazardous-waste sites as less harmful to human health than radon, outdoor particulate pollution or working exposure to pesticides.

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However, to build the dams often cause irreversible environmental damage despite the fact that the mills do not emit harmful CO2 emissions into the atmosphere.

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In Pennsylvania for example, the Department of Environmental Protection (DEP) has found that there are no emissions from Marcellus shale activities that reach levels harmful to human health.

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