One study found that poorer people contributed the most to air pollution, while those with higher wealth suffered the most.

Delhi saw a dramatic change last year when curbs were imposed and residents enjoyed the azure skies and clean air. Scientists say massive drops in some pollutants due to lockdowns inevitably prevented deaths. Photo credit: Imageo / Prakhar Misra

According to a study published on Monday, the poorest 10 percent of Indians are nine times more likely to die from air pollution than the richest 10 percent.

Particulate matter (PM2.5) from fossil fuel combustion Fuel, agricultural practices and wood-burning stoves contribute to a myriad of health problems and are responsible for most of the eight million air pollution deaths worldwide each year. Previous research has shown that the richest people have an oversized lifestyle due to their high-consumption lifestyles Taking responsibility for air pollution.

Researchers from Europe and the US wanted to find out how the prosperity of the second most populous nation on earth is related to the exposure to air pollution.

They examined the data output for different income groups and used one sophisticated computer model to avoid pollution estimate that likely caused such spending habits.

They made a map of expected air pollution and then used it to make estimates of associated health effects.

Unsurprisingly, the team found That richer people contributed most to air pollution, but poorer people suffered the most.

The study published in the journal Nature Sustainability estimates that indoor and outdoor air pollution contributed to the deaths of 1.19 million people in 2010 , the last year for which emissions and spending were directly comparable.

They also defined a new pollution inequality index, which measured the ratio of premature deaths to the amount of air pollution contributed by each income group.

For the highest income 10 percent, the index predicted an estimated 6.3 premature deaths le per unit of pollution caused by it. The poorest 10 percent had 54.7 deaths – almost nine times higher.

To test the best ways to reduce air inequality, the team looked at two scenarios: one in which clean technologies were applied to all pollutant sources except cooking stoves , and one that replaced solid-fuel stoves with electric ones.

Perhaps unexpectedly, the modeling showed that the second scenario – simply the elimination of wood and coal stoves – had the greatest reduction in air pollution deaths.

“One the only intervention that would effectively combat deaths caused by air pollution, especially for the poor: to offer cheap, clean stoves and fuels, ”said Fabian Wagner, lead author of the study from the International Institute for Applied Systems Analysis (IIASA) in Austria AFP.

Da Millions of Indians have been moving from rural areas to cities in search of work since 2010, it is difficult to Quantify the net impact of air pollution on this migration, Wagner said.

“Urbanization is leading to higher population density – i. H. more people are exposed to the same bad air, ”he said. “Therefore the total exposure can increase.”

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