Here’s one more reason to question the environmental viability of dams: another study shows that India’s dams are significantly contributing to greenhouse gas emissions in the form of methane, a gas which is not measured in the overall statistics for carbon emissions.
Both carbon dioxide and methane are released from the decaying vegetation of spillways, reservoirs and turbines of hydropower dams, but methane is twenty-three times more formidable in trapping heat than carbon dioxide.
India has approximately 4,500 dams, the third largest number of dams after the US and China. According to the study done by… Read more
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