All Earth articles – Page 13
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ResearchSunlight transforms plastic into tens of thousands of new compounds
Marine plastics don’t persist forever, sun exposure can break them down into extremely complex chemical compounds in just weeks
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NewsWastewater chemicals shortage may see partially treated effluent flushed into English rivers
Lack of HGV drivers hits supplies of ferric sulfate
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ResearchChemical definition of brine as water could help clear up Chile’s lithium controversy
As evidence grows that lithium mining damages water sources, reclassifying brine as water – rather than as mineral – could empower Indigenous communities to protect their rights and convince mining companies to act more responsibly
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BusinessChemical plant fire in Pakistan kills at least 17 workers
Blocked windows and exits hampered rescue efforts
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NewsLeaded petrol is finally phased out worldwide
One-hundred years after it was first developed UN hails end of an era as heavy metal is banned in fuel in Algeria
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BusinessUS bans chlorpyrifos on all food crops
Environmental agency removes remaining exceptions for agricultural use of controversial insecticide
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ResearchMethane mystery on Saturn’s moon rekindles search for life on other planets
Researchers struggle to explain suspicious amounts of methane on Enceladus while a new chapter opens in the debate around the source of Venus’s phosphine. Why is it so hard to decide what counts as a sign of life?
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NewsEPA accused again of compromising chemical safety assessments
Four scientists at EPA’s chemical safety office step up allegations against the agency, saying they’re prohibited from seeking expert colleague input
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ResearchTusk isotopes reveal a mammoth’s life
17,000 years after its death, scientists use strontium analysis to trace animal’s movements throughout its 28-year life
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ResearchPhotocatalyst couples denitrification and water splitting to manage nitrate pollution
Hydrogen gas generated in situ serves as reducing agent
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NewsEurope raises the bar for carcinogens in artificial turf pitches
Permissible limits for certain polycyclic aromatic hydrocarbons to fall 50-fold in 2022
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BusinessDeadly explosion and fire at chemicals park in Germany
At least 2 dead and 31 injured when an explosion led to a solvent tank fire in Leverkusen
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OpinionPutting combustion into reverse
Unburning carbon dioxide economically and at scale is a tough problem, but potentially world-changing
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NewsEfforts underway in Europe to ban PFAS compounds
Five European nations will formally propose to bar the production, trade and use of per- and polyfluoroalkyl substances by July 2022
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BusinessIndustry tightens emissions reduction targets
As COP26 approaches, many firms are announcing ambitious climate goals. But are they achievable?
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ResearchAluminium compound deconstructs sulfur hexafluoride in minutes
Method turns potent greenhouse gas into useful synthetic reagents
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OpinionThe human cost of inaction on chemical waste
Chemists must press the UN to act and set up a body to deal with the world’s toxic legacy
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NewsUN accused of inaction on international agency to oversee waste and chemicals
Scientists press for swifter progress as Switzerland plans proposal on setting up new body
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ResearchStruvite recovered from wastewater could be used to suppress wildfires
Experiments show struvite-suspended hydrogel is as good at fighting fire as a commercial ammonium polyphosphate-based formulation
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NewsScientists at EPA allege ‘deliberate tampering’ with chemical risk reviews
Environment body’s inspector general asked to probe claims that safety assessments of chemicals, including PFASs, have been ‘improperly altered’ for years