Environmental science – Page 18
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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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ResearchVolcanoes and meteorites may have delivered catalysts for life’s beginning
Iron-rich nanoparticles can catalyse conversion of CO2 to complex organic molecules
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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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OpinionReturning to the moon
It’s been a while, but space agencies are starting to plan their trips back to our satellite, with the goal of building semi-permanent bases
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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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FeatureThe race to build a base on the moon
Nina Notman talks to scientists helping to return humans to the moon – for good this time
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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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ResearchSaturn’s rings found to be a youthful, recent addition to the planet
Nasa’s Cassini probe reveals dust and ice around the planet is only a few hundred million years old
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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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FeatureThe lithium rush
Move over, gold; lithium is now the metal in global demand. Kit Chapman untangles the global politics around the sought-after resource
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ResearchBenin bronzes are made of German brass
Discovery casts new light on the west African artworks, which Nigeria has asked colonial countries to return
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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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ResearchMoon still holds surprises as vast amounts of water found in glass beads in lunar soil
Lunar water formed by the solar wind could one day aid exploration of the moon