Electronics & Semiconductors
Now that autumn is upon us, there is a large temperature gap between day and night. This is due to the temperature inversion caused by radiative cooling on the Earth's surface. Heat from the sun during the day causes its ...
Oct 20, 2020
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54
Energy & Green Tech
As the COVID-19 shutdowns and stay-at-home orders brought much of the world's travel and commerce to a standstill, people around the world started noticing clearer skies as a result of lower levels of air pollution. Now, ...
Jul 22, 2020
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5
Consumer & Gadgets
Whether it comes from second-hand cigarette smoke, motor vehicle exhaust, building materials or the fumes from household cleaning supplies, toxic air is all around us.
May 8, 2020
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87
Machine learning & AI
Imagine being scared to breathe the air around you.
Mar 18, 2020
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153
Software
With version 55 of its Android browser, Oslo, Norway-based Opera has a redesigned night mode that "reduces the light pollution caused by your phone to the bare minimum."
Consumer & Gadgets
Around the world, more than 3 billion people—nearly half the world's population—cook their food using solid fuels like firewood and charcoal on open fires or traditional stoves. This produces a lot of smoke, creating ...
Jul 15, 2019
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14
Energy & Green Tech
An international team of researchers has found that air pollution in China is dramatically reducing the amount of power that is generated by solar cells in that country. In their paper published in the journal Nature Energy, ...
Energy & Green Tech
Air pollution is responsible for millions of deaths every year, worldwide. According to a State of Global Air report, air pollution is the fifth greatest global mortality risk.
Energy & Green Tech
Last August, Abdelrhman Mohamed found himself hiking deep into the wilderness of Yellowstone National Park.
Mar 5, 2019
3
1038
Energy & Green Tech
Can you use textiles to clean the air? Take sunlight. Add a film coating to fabric. And you get curtains that destroy pollutants and purify the air inside your home. The recipe is being touted by Ikea. Along with bunk beds ...
Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms . Pollution can take the form of chemical substances, or energy, such as noise, heat, or light energy. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring; when naturally occurring, they are considered contaminants when they exceed natural levels. Pollution is often classed as point source or nonpoint source pollution. The Blacksmith Institute issues annually a list of the world's worst polluted places. In the 2007 issues the ten top nominees are located in Azerbaijan, China, India, Peru, Russia, Ukraine and Zambia.
This text uses material from Wikipedia, licensed under CC BY-SA
