According to a recent study, eliminating harmful emissions from power plants could save an estimated annual 15 million years of life in China and 11 million years of life in India. Air pollution is one of the largest contributors to death in both countries, ranked 4th in China and 5th in India, and harmful emissions from coal-fired power plants are a major contributing factor.
In a recent study, published in the journal Environment International, researchers from Harvard University wanted to know how replacing coal-fired power plants in China and India with clean, renewable energy could benefit human health and save lives in the future.
Previous research had explored mortality from exposure to fine particulate matter in India and China but few studies have quantified the impact of specific sources and regions of pollution and identified efficient mitigation strategies.
Using state-of-the-art atmospheric chemistry modeling, the researchers calculated province-specific annual changes in mortality and life expectancy due to power generation. Using the province-specific approach, the researchers were able to narrow down the areas of highest priority, recommending upgrades to the existing power generating technologies in Shandong, Henan, and Sichuan provinces in China, and Uttar Pradesh state in India due to their dominant contributions to the current health risks.
"This study shows how modeling advances and expanding monitoring networks are strengthening the scientific basis for setting environmental priorities to protect the health of ordinary Chinese and Indian citizens," said Chris Nielsen, executive director of the Harvard-China Project and a co-author of the paper. "It also drives home just how much middle-income countries could benefit by transitioning to non-fossil electricity sources as they grow.
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