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“[April Theme Report] Air Pollution |
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by Shiv MehrotraVarma | 23-04-2023 02:11
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The quality of the Earth's atmosphere has been changing for decades, and in recent years, air pollution has become a significant concern for many countries worldwide, including the United States. Air pollution is a mixture of gases and particles that can harm human health and the environment. The most common air pollutants include sulfur dioxide (SO2), nitrogen oxides (NOx), carbon monoxide (CO), ozone (O3), and particulate matter (PM), all of which can cause respiratory diseases, heart disease, and even premature death. Over the past few decades, the United States has made significant progress in reducing emissions of many air pollutants, including SO2, NOx, CO, and lead. However, the country is still grappling with the issue of particulate matter, especially in urban areas. According to the American Lung Association, more than 4 in 10 Americans live in areas with unhealthy levels of air pollution. One of the main sources of air pollution in the United States is transportation, with cars and trucks being the largest contributors. To combat this issue, the country has been pushing for the adoption of electric vehicles (EVs) and hybrid electric vehicles (HEVs) that emit fewer pollutants. The government has also been incentivizing the use of public transportation and encouraging the use of alternative modes of transportation such as biking and walking. Another significant source of air pollution in the United States is power generation, with fossil fuels such as coal and natural gas being the primary sources of electricity. The country has been shifting towards cleaner energy sources, such as wind and solar power, to reduce emissions from power generation. The government has also been implementing stricter regulations on emissions from power plants, which have been successful in reducing air pollution. Apart from reducing emissions, there are also technologies being developed to improve air quality. Air filters are one such technology, which can remove pollutants from the air. HEPA (High-Efficiency Particulate Air) filters are particularly effective in removing particles from the air, including allergens, bacteria, and viruses. Air filtration systems can be installed in homes, workplaces, and public spaces to improve indoor air quality. Another technology that is being developed to improve air quality is air capture, which involves removing CO2 directly from the atmosphere. This technology is still in the early stages of development, but it has the potential to significantly reduce greenhouse gas emissions and mitigate the effects of climate change. In conclusion, air pollution remains a significant concern in the United States and many other countries worldwide. While progress has been made in reducing emissions of some air pollutants, more work needs to be done to improve air quality, particularly in urban areas. The adoption of cleaner energy sources, the use of alternative modes of transportation, and the development of technologies such as air filters and air capture can all contribute to a healthier and more sustainable future.
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2 Comments
Hello Shiv! This is your mentor Yewon.
I apologize for the late comment.
You have written a report about the air pollution problem in America. I think your analysis on the factors that contributed the air pollution is quite accurate!
HEPA, the technology that you mentioned in your report seems very helpful to solve the air pollution problem. I hope more technologies would be developed so that we can keep clean air!
Thank you for your informative report! Great job!
Posted 18-08-2023 13:36
Hello Shiv! This is your mentor James.
First of all, I'm terribly sorry for the late comment!
It's really shocking to hear that 40% of Americans are living in dangerous levels of air pollution.. I originally thought that the overall air quality is adequate for most of the states, according to my experience living in the U.S, but I realized that my experience was based on the U.S atmosphere a decade ago. I assume things are different now. Reducing private transportation would be a great way to improve air quality in urban areas of the states.
Thanks for writing such a meaningful report! Let's keep up the good work.
Posted 25-05-2023 15:11