All Earth articles – Page 17
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FeatureSustainable solar power
Getting energy from the sun isn’t renewable until the panels are recyclable. James Mitchell Crow talks to the scientists making it happen
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ResearchPhotosensitive monomer allows polyurethanes to be degraded by light
Polymer designed to have a cleaving point after every second monomer unit
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NewsScientists back creation of an international body to oversee chemicals and waste
New organisation could tackle problem of ‘limited and fragmented’ coverage of environmental impact of these issues
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ResearchNewly identified greenhouse gas with no known use an ‘early warning’
Montreal Protocol doesn’t sufficiently control harmful by-products made during other chemical production processes, say atmospheric scientists
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NewsFirst detection of hydrogen chloride gas on Mars
Discovery by ExoMars Orbiter of a new chemical cycle driven by dust and seasonal changes
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ResearchCatalyst turns mixed plastic waste into natural gas
Swiss researchers are now scaling-up the technology
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ResearchMolecular simulations show how plant-based materials capture water pollutants
Ion adsorption mechanism revealed by using simulations at the molecular level for the first time in this field
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NewsFlorida drinking water plant hack briefly raised sodium hydroxide levels 100-fold
Security breach reveals industrial facilities’ control system vulnerabilities as remote work is normalised during the pandemic
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FeatureThe hellish chemistry of Venus’ atmosphere
The potential presence of phosphine on Venus is only the latest twist in the strange chemistry of our planetary neighbour, finds Clare Sansom
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ResearchShipping ‘skid mark’ detected in the North Sea
Antifouling coatings are an underestimated source of plastic pollution
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ResearchAtmospheric chemistry discovery could help Indian cities clear away the haze
High local HCl concentrations found to boost haze and fog formation in Delhi and Chennai
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OpinionBusiness as usual?
The pandemic has shown that we can react quickly to complex problems – can we do it to avert a climate crisis?
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NewsNobel laureate Paul Crutzen, who coined the term Anthropocene, dies
Cutzen’s passing means that all three scientists who won the 1995 chemistry Nobel prize for their ozone formation and decomposition work are gone
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FeatureMarking the Anthropocene
The idea that we’re in a human-influenced geological epoch is gaining traction, but how will future geologists measure it? Rachel Brazil finds out
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BusinessHoxton Farms grows animal fat for meat substitutes
Covid-19 pandemic motivated friends to combine their expertise in cell biology and mathematical modelling, and realise company they had being discussing for years
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ResearchElectric fields deep in Earth’s mantle helps diamond crystallise
Electrochemical experiments under extreme conditions show diamonds forming from molten carbonate rocks
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BusinessDuPont and spinoffs reach $4bn settlement to resolve PFAS liability issues
DuPont, Chemours and Corteva have also reached an $83mn agreement to settle 95 pending personal injury cases in Ohio related to PFAS
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ResearchMechanochemical oxidation turns a profit from battery recycling
New lithium extraction method follows principles of green chemistry
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ResearchPFAS exposure found to increase risk of severe Covid-19
Warnings that high levels of per- or poly-fluorinated substances might also reduce the effectiveness of a vaccine
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FeatureHow rubber is bouncing back
From their colonial roots to future alternatives, Kit Chapman looks at the chemistry of natural elastomers