Engineering

New technology: Hygienic beer caps

UV light inactivates germs in drinking water. Until now, the disinfection process relied on mercury-vapor lamps, which emit light in the UV spectrum. However, mercury is a heavy metal that affects human health and the environment. ...

Automotive

Rivian electric car plant blasted by foes at Georgia meeting

Opponents trying to derail a $5 billion, 7,500-job electric truck plant in Georgia dominated a state meeting this week that was meant to gather suggestions on how to design the plant to mitigate any impact on the environment.

Energy & Green Tech

Experts to visit Fukushima plant to check water release plan

A team of experts from the International Atomic Energy Agency will visit Japan's wrecked Fukushima nuclear power plant next week to review plans to begin releasing more than a million tons of treated radioactive water into ...

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Pollution

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.

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