Pollution – Page 32
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BusinessNew vinyl catalyst will reduce mercury emissions
Johnson Matthey strikes gold as China’s PVC industry looks for cleaner processes
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NewsUS bans microbeads from personal care products
Plastic particles added to cosmetics and some drugs will also be phased out by 2019
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NewsUS chemical safety law poised for reform in early 2016
Bill updating the US Toxic Substances Control Act has finally passed both chambers of Congress
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Research
Nasa show human impact on atmosphere with pollution maps
Nitrogen dioxide emissions reflect trends in political climate, according to Nasa research
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ResearchNew camera makes methane visible
Infrared technique could be used to audit greenhouse gas sources such as factories, power stations and farms
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FeatureGoing for gold
Nina Notman looks at attempts to reduce the environmental impacts of small-scale gold mining
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NewsBrazilian mine disaster releases dangerous metals
Irreversible negative human health and environmental effects could result from Brazilian mine’s dam collapse
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Research
Early lead exposure linked to sleep problems
Researchers find lead exposure in early childhood is associated with sleep difficulties later on
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News
WHO urged to revisit drinking water guidelines
World Health Organisation’s guidelines for nine toxic elements are too lax and need to be re-evaluated, analysis suggests
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ResearchMicroporous copper silicate sucks up carbon dioxide
Humid flue gases from fossil fuel power stations are no problem for this new material
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BusinessDuPont found liable for cancer case
US court orders firm to pay $1.6m in damages for disease linked to contaminated water supply
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NewsNew US ozone standard under fire
The Environmental Protection Agency’s stricter air quality standard for ground-level ozone are opposed by industry, lawmakers and environmental groups
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NewsArgentina mine accident spills cyanide into rivers
More than a million litres of cyanide solution entered nearby rivers after a gold mine accident in Argentina
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NewsChemistry at heart of VW emissions cheating
Car firm dodged nitrogen oxide pollution limits using software that detected testing
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News
Court rejects US approval of sulfoxaflor pesticide
Environmental Protection Agency’s approval of an insecticide that shares similarities with neonicotinoids revoked
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ResearchAir pollution model predicts 6.6 million deaths by 2050
‘Business as usual’ scenarios suggest toxic emissions could kill millions of people in the near future
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FeatureStuck in the sludge
Matthew Gunther finds chemists are trying to decommission the most dangerous nuclear waste site in Europe
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ResearchMoulting seals bring mercury contamination to coast
Elephant seals are thought to be responsible for unusually high concentrations of toxic mercury in some coastal waters