Environmental science – Page 35
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NewsConcerns raised over ‘regrettable’ BPA substitutions
Research indicates chemicals used as alternatives to bisphenol A in polycarbonate plastics and epoxy resins aren’t always safer
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ResearchUranium isotopes in ancient grains indicate early Earth was less hellish than textbook descriptions
Mass spectrometry technique that works on tiny samples refines understanding of Earth’s first geologic eon
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ResearchEngineered cyanobacteria turn carbon dioxide into petrol substitute
Strategy transforms wild photosynthetic organism into a system that could reduce humanity’s reliance on fossil fuels
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ResearchSelective graphene membranes could invigorate carbon capture technology
Concept shows promise as a way to sidestep the energy penalties of numerous industrial separations
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BusinessEnhancing solvents' sustainability
Increased recycling and replacing toxic solvents with greener alternatives will reduce environmental impact
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ResearchNanotube catalysts spring into action on microplastic waste
Helical carbon nanotubes activate an oxidant that produces polymer-degrading free radicals
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NewsRussian role in Europe-wide radiation leak two years ago confirmed
Evidence mounts that Mayak facility was responsible for ruthenium release as ‘satellite crash’ explanation given by Russian officials scorned
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ResearchMoon may be millions of years older than previously calculated
Analysis of hafnium and tungsten in Apollo 17 samples suggests the moon formed 50 million years after the solar system
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ResearchCorrections promise more accurate CO2 measurements from space
Improvements to cavity ring-down spectroscopy could also benefit quantum science
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PodcastPolypropylene
Microplastics, including polypropylene, are present in our oceans, on our beaches and even in bottled water. Ian Robertson investigates the scale and some solutions
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NewsUK MPs criticise government inaction on harmful chemicals
A report calls for urgent changes to the way flame retardants and packaging additives are regulated
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ResearchSinking wastewater from oilfields could be causing stronger earthquakes
Effects can continue for over a decade after disposal ends
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FeatureFiring up an air pollution problem
Wild fires adversely affect air quality nearby and far beyond. Nina Notman investigates this escalating problem
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BusinessCurbing industry’s carbon emissions
Replacing fossil-fuelled furnaces with renewable electrical heating and cutting carbon from some heavy industries could make a serious dent in climate targets
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ResearchSilica aerogel could heat the surface of Mars enough to sustain life
Insulating material could replicate the effects of Earth’s atmosphere on the red planet, warming it by 50°C
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FeatureWhat is the moon made of?
Mike Sutton looks at what we’ve learned about the moon’s chemistry in the 50 years since Apollo 11
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NewsTrump repeals and replaces Obama’s clean power plan to curb coal emissions
Affordable Clean Energy Rule lets states determine how or whether to regulate pollution from coal-fired power plants
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NewsAmbitious Irish climate plan aims for zero-carbon economy by 2050
Targets floated for one million electric cars and 70% renewable energy by 2030
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ResearchHelicopter NMR prepares to detect Arctic oil spills
ExxonMobil-funded project readies giant airborne coil for accidents as shipping lanes open up
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NewsSwitching UK’s gas network to hydrogen perfectly possible, report finds
Repurposing the natural gas network would cut out country’s biggest source of carbon emissions