Environmental science – Page 6
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OpinionAtmospheres conducive to life
Researchers propose a new biosignature that could hint at habitable exoplanets
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NewsChemical recycling finds itself in the firing line as viability of process questioned
Analysis finds that ‘advanced recycling’ creates a toxic waste problem, but some researchers are concerned important nuance is not acknowledged
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ResearchIodine compounds accelerate cloud formation over oceans and the poles
Newly discovered chemical mechanisms behind aerosol nucleation could improve climate models
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NewsPioneering ammonia-powered ship shows off a greener future for shipping at Cop28
Greener shipping on the horizon but regulations mean no port will take ships powered by ammonia yet
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BusinessChemicals roundup 2023
Chemical companies entered cost-cutting mode in a year dominated by overcapacity and slow demand
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NewsVested interests pose threat to chemical waste and plastic pollution initiatives
Researchers warn that conflicts of interest will hinder efforts to tackle the world’s pollution crises
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ResearchSuperheavy elements forged in giant stellar collisions
Nuclei with mass numbers above 260 are produced in r -process events
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ResearchHigh mercury levels in tropical birds in Americas blamed on gold mining
Exotic birds are the canary in the gold mine when it comes to mercury pollution and provide warning that other animals, including humans, affected
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Research‘Dolomite problem’ that has puzzled scientists for centuries may have finally been solved
Solution helps to explain the mystery of why common mineral won’t crystallise in the lab
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ResearchInterstellar ices could have been the nursery for building blocks of life
Modelling conditions thought to exist between the stars led to formation of amino acid precursors
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OpinionAre chemicals the elephant in the sustainability room?
What the transition to a net zero, circular economy means for chemists and the chemicals industry
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FeatureThe perchlorate Martian mystery
Rachel Brazil looks at how the compounds might have formed on our neighbouring planet and whether they could be useful for future exploration
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NewsFisheries agency concludes it’s ‘very unlikely’ pyridine behind UK crustacean deaths after new tests
Cause of mass die-offs in late 2021 and early 2022 still a mystery
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ResearchUnderwater device reveals marine chemical diversity
I-Smel device probes metabolites produced by Mediterranean sponges
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NewsUS moves to regulate tyre chemical that was found to have killed salmon
The final rule, expected by the end of 2024, will require manufacturers and importers of 6PPD to turn over unpublished health and safety studies
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ResearchFleeting phenomenon of water autoionisation pinned down by neural network simulations
Modelling sheds light on a process that has been known for over a century but was tricky to understand
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ResearchResearchers identify metals released into the atmosphere by satellite reentry
Metals including niobium and hafnium detected in stratospheric aerosols
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ResearchCrystal analysis pushes the moon’s age back 40 million years
Samples retrieved by Apollo astronauts show that the moon formed 4.46 billion years ago
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OpinionThe PFAS problem in everyone’s back yard
Communities around the world will have to get to grips with a new pollution problem that will cost billions to address