Environmental science – Page 29
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BusinessEU commits to overhaul of chemicals legislation
The Chemicals Strategy for Sustainability promises the biggest reform since Reach
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NewsMario Molina, who warned of CFC threat to the ozone layer, dies
Atmospheric chemist’s work led to the phasing out of ozone-depleting substances
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ResearchValuable difluoromethylating agent obtained from refrigerant waste
Mild conditions used to turn a potent greenhouse gas into a bench stable and useful chemical reagent
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BusinessArkema acquitted over hurricane fire emissions
US Judge rules there is insufficient evidence to bring criminal charges relating to peroxide fire caused by flooding in 2017
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ResearchBreast milk analysis detects both legacy and emerging fluorinated compounds
Previous focus on legacy substances may have severely underestimated overall exposure of breastfed infants to PFASs
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ResearchSeeding oceans with volcanic ash could be new tool to tackle climate change
Tephra could encourage phytoplankton blooms that could potentially sequester huge amounts of carbon dioxide
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PodcastOxybenzone
This summer’s extreme weather prompts Katrina Krämer to investigate the history of sunblock and the ingredient blamed by some for bleaching coral reefs
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ResearchSuper-cool study finds hints as to why water is so weird
Preventing complete freezing down to 135K supports theories suggesting a two-state mixture exists
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CareersHow chemo-ethnography puts chemistry in context
New social science fields are exploring how chemists and chemicals affect society
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ResearchLiquid hydrogen rethink has astronomical implications
Machine learning simulates smooth transition between states, which could affect giant planets
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NewsPFAS incineration study cancelled by US environment agency
Head of the Environmental Protection Agency blames move on former employee
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ResearchNoble metals dissolved without aqua regia
Decades-old study inspires acidic salt solutions for recovering gold and platinum group metals from catalytic waste
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ResearchOptions expanded for origin of Earth’s water
Enstatite chondrite meteroites contain enough hydrogen to have supplied three to five times the total mass of water in Earth’s oceans
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BusinessUncovering the sources of contaminated sanitisers
Methanol and 1-propanol could get into hand gels by unintentional or deliberate adulteration
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NewsRecalibration is the biggest shake-up in the carbon dating world for seven years
Overhaul will improve accuracy and push back how far samples can be dated by 5000 years
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NewsEPA settles Gold King mine disaster five years later
Utah state will receive $220 million as part of settlement over 2015 accident that spilled toxic waste into waterways
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BusinessQuestions surround deadly Beirut blast
Ammonium nitrate explosion that killed at least 135 appears to have been caused by poorly-stored cargo from an abandoned vessel