Pollution – Page 6
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News‘Will we have the will to invest, the will to change?’: green chemistry 25 years on
Father of green chemistry says we’ve shown we can change, but can we transform the chemical sciences?
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NewsMicroplastic pollution purged from contaminated water using ultrasound
Prototype device concentrates plastic particles in flowing water with sound waves, removing over 70% of small plastic particles and 82% of larger ones
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NewsEstimates of mercury used in gold mining are so bad it’s hard to know if its use is falling
New research into the amount of mercury used to extract gold from slurry shows the national estimates are rarely any good
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ResearchUnexplained increases in five atmospheric CFCs raise concerns
Emissions increased 2.6-fold between 2010 and 2020
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FeatureThe complex chemistry of making paper
Renewable, recyclable and biodegradable, paper is the ultimate sustainable material. Victoria Atkinson looks at the clever chemistry that turns trees into sheets
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BusinessNew Jersey sues Dow Chemical and others over 1,4-dioxane pollution
US State wants companies to be held accountable for cleaning up widespread contamination
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OpinionNuclear wasted
Atomic energy has the potential to reduce our carbon footprint, but the problem of waste is devilishly complex
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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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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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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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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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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
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NewsAssembling the UN’s new panel on chemical waste
Discussions are underway to agree funding, goals and procedures to create an IPCC for pollution