Human activity pulling the plug on a vital carbon sink

(PhysOrg.com) -- Under better conditions coastal ecosystems might be the ace in the hole to mitigate climate change, but human activity is significantly weakening their ability to naturally dampen the impacts of rising CO2 ...

How the N2O greenhouse gas is decomposed

Nitrous oxide (N2O) is a harmful climate gas. Its effect as a greenhouse gas is 300 times stronger than that of carbon dioxide. Nitrous oxide destroys the ozone layer. In industrial agriculture, it is generated on excessively ...

European envoy: China may alter rare earths policy

(AP) -- A European trade envoy said Chinese officials indicated Thursday that Beijing might change its curbs on exports of rare earths after a World Trade Organization panel rejected similar restrictions on other metals.

Underground waters resist forced depollution

An experiment conducted at the EPFL Environmental Biotechnology Laboratory has demonstrated the role played by micro-organisms in the degradation – without oxygen – of a very common pollutant: vinyl chloride.

Engineers filter runoff water polluting city beaches

(PhysOrg.com) -- It is an annual rite of summer in Chicago: heavy or persistent rain causes a water backup from runoff and sewage that pollutes Lake Michigan, forcing officials to close beaches as a health precaution.

Optical water quality assessment

Scientists at the U.S. Geological Survey (USGS) have proven that measuring fluorescence could improve source water monitoring during a study of the McKenzie River in Oregon. The study was designed to assess the amount, type ...

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