Energy & Green Tech

Electric vehicles could be powered by hydrogen harvested from sewage

Wastewater treatment is vital to remove pathogens, but is incredibly energy intensive. The ability to treat it more sustainably is a challenge researchers from WMG, University of Warwick have been able to achieve, using recycled ...

Energy & Green Tech

Dung power: India taps new energy cash cow

India is tapping a new energy source that promises to help clean up smog-choked cities and is already providing a vital revenue stream for poor Indian farmers: truckloads of bovine manure.

Business

Mapping the inequalities of low-carbon electricity

Greenhouse gas reduction, new jobs, new investment opportunities: the benefits of decarbonizing the electricity sector—one of the most polluting—are obvious. However, a transition to lower-carbon electricity production ...

page 6 from 12

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