Environmental science – Page 53
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PodcastTetraethyl lead
For decades, automobile fuel had a dangerous additive: Tetraethyl lead. Matt Gunther explains why a toxic compound was added to our fuel
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NewsUK open to microbead ban if EU fails to act
Government may act unilaterally amid growing evidence of environmental problems
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ResearchIron-rich silicate plays cosmic matchmaker
Findings could help explain abundance of molecular hydrogen in interstellar space
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OpinionTowards a new plastics economy
Global change is needed to avert disaster, says the Ellen MacArthur Foundation
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ResearchGreenland ice sheet recoups subliming water vapour
Newly discovered part of the water cycle acts to conserve sheet mass
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ResearchScientists claim to have seen ‘new state’ of water
Scepticism that water molecules with delocalised protons can be described as an unknown phase of water
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ResearchMixed outlook for ethanol–petrol blends
London study says incorporating biofuels into petrol supplies could increase acetaldehyde levels in the air
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PodcastCadmium telluride
It may not be the best material for solar cells but it has some distinct advantages
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News
Countries ink Paris climate change agreement
Nearly 200 countries signed the global climate treaty that aims to limit temperature rises to ‘well below’ 2°C
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ResearchEarthly xenon’s asteroid origins reveal planet’s genesis
Discovery that atmospheric xenon is unrelated to that in the mantle hints at two separate extra-terrestrial ‘deliveries’ of the element
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FeaturePlastic problems
Tiny pieces of plastic may be doing as much harm in our oceans and waterways as the big stuff, finds Nina Notman
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ResearchCassini finds needle in a haystack investigating interstellar dust around Saturn
Alien dust provides evidence for solar system passing through giant interstellar cloud
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ResearchCaging chemical weapons
Supramolecular cubes trap and flag nerve agents using the hydrophobic effect
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ResearchBuilding blocks of life made in space ice simulations
Complex sugars – including the ‘backbone’ of RNA – have been created in lab-made interstellar ice
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ResearchBacterial behaviour a slippery slope to sewer fatbergs
Microorganisms in grease traps could magnify fat, oil and grease deposits in sewers
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NewsEU plans tighter controls on BPA
Proposal would reduce the migration limit of bisphenol A in food packaging by 90%
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NewsBP’s long legal battle over Deepwater disaster ends
Judge finalises BP’s $20 billion settlement over Gulf of Mexico oil spill