I want a best idea for the topic : CROP BURNING AND POLLUTION
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Stubble burning is the deliberate setting fire of the straw stubble that remains after wheat and other grains have been harvested. The practice was widespread until the 1990s, when governments increasingly restricted its use.
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Most of the air pollution that is responsible for public health emergencies in Delhi every winter is caused by crop burning in neighbouring states, scientists at Harvard University say in a recent study.
The study conducted by Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS), Harvard University puts to rest several questions on the extent to which stubble burning in north-western states including Punjab and Haryana contribute to the already severe pollution in Delhi.
Although Delhi witnesses a spike in particulate matter PM2.5 limits round the year, the ambient PM2.5 concentrations show spikes in October-November, which is also the peak season for paddy harvesting, when abundant crop residue is burnt by farmers to prepare for next crop.
The study conducted by Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS), Harvard University puts to rest several questions on the extent to which stubble burning in north-western states including Punjab and Haryana contribute to the already severe pollution in Delhi.
Although Delhi witnesses a spike in particulate matter PM2.5 limits round the year, the ambient PM2.5 concentrations show spikes in October-November, which is also the peak season for paddy harvesting, when abundant crop residue is burnt by farmers to prepare for next crop.
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