Pollution – Page 9
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NewsDrones take flight to go where scientists dare not
From making chemical plants safer to sampling volcanoes and even exploring other planets uncrewed aerial systems could revolutionise science
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NewsFirst draft of a global treaty to curb plastic pollution expected by November
The first draft should lead to a legally binding international agreement, possibly by the end of 2024
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BusinessChemical firms kept data on PFAS health hazards secret
Documents suggest that DuPont and 3M had evidence of PFAS toxicity but suppressed the findings
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ResearchExposure to high levels of TCE could increase risk of Parkinson’s disease by 70%
US marines working at base with contaminated drinking water in the 1970s and 80s have elevated risk for the disease
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NewsEfforts to cut methane are hobbled by gaps in coverage and uncertainty on emissions
Only 13% of the world’s methane emissions are covered by agreements to reduce them
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ResearchCheaper method to capture carbon dioxide could shake up industry
Guanidinium sulfate-based clathrate salt can cage the gas cheaply and release it easily
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ResearchMicrobial degradation offers way to tackle chlorinated PFAS in wastewater
Findings shed light on the environmental fate of chlorinated PFAS compounds and how to design biodegradable, less toxic alternatives
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Business11 dead after toxic gas leak in India
Victims were instantly overwhelmed by gas, which left high concentrations of hydrogen sulfide in air
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BusinessUN asked to investigate ‘human rights violations’ by Chemours
Local campaigners claim PFAS emissions from US plant violate various rights, including to clean water and a sustainable environment
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ResearchRecycling wind turbine blades by breaking them down into their constituent chemicals
Thermoset plastics that normally end up in landfill can be selectively depolymerised using a ruthenium catalyst
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OpinionLetters: May 2023
Readers clarify the activity of the panel examining the crustacean mortality event
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NewsEPA proposes ban on most uses of dichloromethane
New rules would prohibit all consumer uses and most industrial uses of the chemical, and to regulate its use in the lab
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NewsExplainer: what is green chemistry and why does it matter?
25 years after the field’s 12 principles were first laid down, green chemistry has moved into the mainstream
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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