Recently, water, CO2, and sunlight were successfully used to create carbon-neutral aviation fuel. While carbon dioxide (CO2) is usually synonymous with air pollution and is often shown in a negative light, new uses for CO2 are being discovered. The design and production of this new aviation fuel is a good example. The importance of aviation ...
Researchers at the Paul Scherrer Institute PSI, together with colleagues from several other European institutions, have investigated whether particulate matter from certain sources can be especially harmful to human health. They found evidence that the amount of particulate matter alone is not the greatest health risk. Rather, it could be the so-called oxidative potential that ...
The COVID-19 outbreak has infected millions of people and killed hundreds of thousands worldwide. However, the pandemic has had an unexpected silver lining — it has indirectly saved the lives of about 11,000 people in the EU by cutting down pollution. The findings were made by a study conducted by the Center for Research on ...
The spread of COVID-19 has killed thousands of people, lowered economic activity, pushed millions into unemployment, and basically spread misery everywhere. But there is one silver lining — the lack of human activity has resulted in a greener Earth, with several people realizing for the first time what breathing clean air feels like. A greener ...
Despite the prominent health threat posed by fine particulate pollution, especially in urban areas, fundamental aspects of its formation and evolution continue to elude scientists. This is true especially for the organic fraction of fine particles (also called aerosol), much of which forms as organic gases are oxidized by the atmosphere. Computer models under-predict this ...
When it became clear that President Donald Trump wanted to pull out of the Paris Agreement, many media houses started promoting China as the next global leader in fighting climate change. While the country has definitely implemented some projects in this regard, it would be foolhardy to think that the country is going to be ...
The Indian capital city of Delhi has some of the world’s worst air pollution. In November 2018, the pollutants in the city reached 20 times the World Health Organization’s recommended safe limits. One year later, people in the city are still forced to breathe in polluted air. A megacity’s air pollution According to the Centre ...
The West seems to have been successful in reducing its carbon footprint over the past few decades. However, a closer look at the numbers shows that the decrease in pollution is largely due to “exporting” it to other countries. This undermines efforts to reduce global pollution. This was not a concerted Western effort to destroy ...
Dealing with carbon pollution in the atmosphere has been a difficult task due to how expensive it is. However, a method that involves converting carbon dioxide to electricity promises to solve the problem of cleaning the air. CO2 for electricity “The process would involve pumping airborne CO2 down into methane hydrates — large deposits of ...
For the first time, researchers at the University of Michigan have detected bromine atoms in the atmosphere, and in doing so, have confirmed the reaction pathway through which mercury is removed from the atmosphere and enters the ecosystem in the springtime Arctic. Mercury is a particularly toxic pollutant largely emitted through human activities such as ...
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