Environmental science – Page 7
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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
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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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ResearchRNA building block uracil recovered from near-Earth asteroid Ryugu
Japanese mission returns pristine sample to bolster idea that prebiotic chemicals could have been delivered by meteorites
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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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ResearchHarvesting water from the air with organic crystals
Discovery could lead to novel technologies for fighting water scarcity