Environmental science – Page 10
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NewsUS finally set for nationwide regulation of PFAS in drinking water
EPA proposes standards for six PFAS compounds, and four will have limits based on cumulative effects
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FeatureThe long future of nuclear waste
Although enthusiasm for atomic energy has waxed and waned over the decades, Bárbara Pinho finds the question of waste has yet to be solved
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ResearchElectrochemistry offers new way to tackle rising carbon dioxide – extract it from seawater
New method has advantages over existing direct air capture systems
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Research‘Incredibly important advance’ reveals how wildfires could slow ozone layer recovery
Chlorine chemistry discovery shows how wildfire aerosols can reduce ozone in southern hemisphere by up to 5%
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BusinessUS government sues chemical firm over chloroprene emissions
Denka disputes claims of ‘unacceptably high’ releases from neoprene manufacturing facility
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NewsRecord-high carbon dioxide emissions from boreal fires
Boreal fires usually produce about 10% of global carbon dioxide emissions from wildfires worldwide, but the figure peaked at one quarter in 2021
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OpinionAnalysing the Winchcombe meteor fireball
The story behind the first spectrum of a meteor which became a recovered meteorite in the UK
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WebinarUranus: exploring the ice-cold chemistry of the ‘frozen frontier’
Find out why scientists are planning a new space mission to explore the planetary ice giant Uranus
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ResearchLoofah-structured hydrogel could help meet global clean water demands
Hydrogel water purification technology goes from a curiosity to a contender through a change in its structure
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ResearchMetal–carbon catalysts made from plants can break down plastics
Soil remediation study sees researchers develop method for converting low-density polyethylene into liquid hydrocarbons
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ResearchZircon study prompts redox state rethink surrounding hydrothermal pools thought to harbour life’s first molecules
Research combining experiments with modelling suggests hydrothermal fluid was 30% as saline as sea water today and more oxidised than the surrounding mantle
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FeatureMission to Uranus
With no spacecraft visiting the ice giants for over 30 years, Anthony King speaks to the planetary scientists planning a return visit
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ResearchStudy says UK underestimated offshore methane emissions from oil and gas activity
Research adds to consensus that most countries don’t really know how much methane they are releasing into the atmosphere
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NewsEU floats plan that would ban virtually every PFAS currently on the market
Members states will examine proposal to prohibit production, use, sale and import of PFAS into Europe in 2025
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OpinionNew phase of amorphous ice formed by ball milling
Medium-density amorphous ice has a structure and density similar to liquid water
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NewsResource conflict likely to expand as world heads into ‘low-cooperation era’
Critical metals such as cobalt and vanadium could be fought over in the near future, World Economic Forum report claims
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NewsPlastics need a complete redesign to make them easier to recycle, researchers argue
Thousands of chemicals used in plastics makes creating a truly circular economy far harder
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ResearchBacterium may help answer mystery of ‘missing’ plastic in the seas
Plastic-eating bacteria and sunlight may partly explain why there’s less plastic waste in the oceans than predicted