Energy & Green Tech

COVID-19 shutdown led to increased solar power output

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, ...

Engineering

Concrete versus asphalt for Nigeria's roads: which is better?

Nigeria's new works minister, David Umahi, is pushing for the use of rigid pavement in road construction, as against the flexible pavement predominantly in use. This, as the minister noted, is due to the precarious state ...

Energy & Green Tech

Tire maker honored for tackling electric car pollution

Electric cars are widely hailed as the future of transport, but even though they eliminate the issue of fuel emissions from tailpipes, the problem of particle pollution as a result of tire wear hasn't been resolved.

Energy & Green Tech

Reused car batteries rev up electric grid

When aging vehicle batteries lack the juice to power your car anymore, they may still hold energy. Yet it's tough to find new uses for lithium-ion batteries with different makers, ages and sizes. A solution is urgently needed ...

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Pollutant

A pollutant is a waste material that pollutes air, water or soil, and is the cause of pollution.

Three factors determine the severity of a pollutant: its chemical nature, its concentration and its persistence. Some pollutants are biodegradable and therefore will not persist in the environment in the long term. However the degradation products of some pollutants are themselves polluting such as the products DDE and DDD produced from degradation of DDT

This text uses material from Wikipedia, licensed under CC BY-SA