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2. Mary Walton - Wikipedia

   en.wikipedia.org/wiki/Mary_Walton

   The extent of the problem known was a dark cloud that hung in the air and an unpleasant odor, yet Walton inadvertently also helped to reduce air pollution and cancer-causing coal smoke. [ 2 ] Mary Walton also invented a system for reducing the noise produced by the elevated railway systems that were rapidly expanding in New York City, where she ...

3. Environmental technology - Wikipedia

   en.wikipedia.org/wiki/Environmental_technology

   Air purification describes the processes used to remove contaminants and pollutants from the air to reduce the potential adverse effects on humans and the environment. The process of air purification may be performed using methods such as mechanical filtration, ionization, activated carbon adsorption, photocatalytic oxidation, and ultraviolet ...

4. Param Jaggi - Wikipedia

   en.wikipedia.org/wiki/Param_Jaggi

   Param Jaggi (born April 18, 1994) is an American inventor [citation needed] and the chief executive officer of Hatch Technologies. [1] Previously, he was founder and CEO of EcoViate. [2]

5. Climate's 'Catch-22': Cutting pollution heats up the planet

   www.aol.com/news/climates-catch-22-cutting...

   India aims for an air cleanup like China's, and in 2019 launched its National Clean Air Programme to reduce pollution by 40% in more than 100 cities by 2026.

6. Liquid3 - Wikipedia

   en.wikipedia.org/wiki/Liquid3

   Similar to other photobioreactors, air is sucked through a pressure pump and fed to the microalgae, with oxygen released as a byproduct. Additionally, the Liquid 3 bioreactor can filter out heavy metal contaminants in the air and contains a temperature regulation system in case external climate conditions become too extreme for the microalgae.

7. Air conditioning is one of the greatest inventions of the ...

   www.aol.com/news/air-conditioning-one-greatest...

   Air conditioning is one of those inventions that have become so ubiquitous that many in the developed world don’t even realize that less than a century ago, it didn’t exist. It took more than ...