Biofuels
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Investigations suggest a large share of ‘used’ cooking oil being imported could be wrongly labelled as demand outpaces supply
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New suit charges that the EPA disregards ethanol production’s impact on endangered species as it is directed to study under law
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Campaigners’ pressure sees London mayor withdraw approval for stoves billed as better for the environment
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From mining to cattle ranching and soya farming, some of the world’s largest companies exploit the region, though many also claim to be giving something back
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Aviation giants look to agricultural waste in bid to cut emissions but experts say it is no panacea
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Scientists identify parts of ocean suitable for seaweed cultivation and suggest it could constitute 10% of human diet to reduce impact of agriculture
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Letter says bioenergy is wrongly deemed ‘carbon neutral’ and contributes to wildlife loss
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Drax power plant has taken £5.6bn in subsidies from energy bill payers but business secretary says practice is ‘not sustainable’
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RePlanet calls on EU to ditch organic targets and for governments to lift bans on genetically modified crops
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Modern biofuels are touted as a boon for the climate. But, used on a large scale, they are no more sustainable than whale oil, says Guardian columnist George Monbiot
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Campaigners call to prioritise grain for human consumption over its use as a fuel
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Pioneering Bristol study blames the solid-fuel burners in people’s homes for breaches of World Health Organisation guidelines
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The partnership of Chris Martin’s band with biofuel producer Neste has raised eyebrows about the green credentials of their new tour says culture writer Eleanor Salter
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Though global prices are spiralling, fuelled by Russia’s war in Ukraine, this is no reason to drop rewilding, says Guardian columnist George Monbiot
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Brief letters: Wood burning | Writing skills | Matt Hancock | Mammals | Tory slogans
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Charles’s ‘quaint’ solution to decarbonise his Aston Martin using high blend of bioethanol is not scalable, experts say
The wealthiest polluters must clean up their act