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Fossil fuel subsidies are a stupid idea. We aren’t so much decarbonising our economy as turbocharging its carbon intensity

Dr Mark Diesendorf questions the claim that nuclear fusion is safe and clean, while Dr Chris Cragg suspects true fusion power is a long way off. Plus letters from Dick Willis and Martin O’Donovan

An enthralling project to save the northern white rhino is raising challenging questions as scientists debate the ethics of de-extinction

Lynmouth Road, Walthamstow, is about to become its own power station, with solar energy for 30 homes. Now the artists responsible want us all to change how we heat our homes

Main points of the historic agreement signed in Montreal to halt the destruction of Earth’s ecosystems

António Guterres announces a climate ambition summit to confront ‘existential threat’ facing the planet The goal of limiting global heating to 1.5C is “gasping for breath”, the UN secretary general…

Agreement on ’30 by 30’ target forced through by Chinese president, ignoring objections from African states Cop15: key points of the nature deal at a glance

Energy minister Chris Bowen says the batteries – shared between four states – will increase capacity tenfold to help stabilise the grid Eight large batteries to store renewable energy will be built…

James Blyth invented a windmill in 1887 that generated electricity to light his Scottish holiday cottage

Tom Smith, William Walker and Neil Smith respond to Samanth Subramanian’s long read on the enormous task of dismantling Sellafield

November statistics show fear EU regressing on climate commitments because of war in Ukraine is unfounded Returning to coal-fired power generation in some parts of Europe has not prevented strong…

Expert warns impact of H5N1 virus across the world is on a scale akin to the devastation wreaked by the use of DDT pesticides in the 1950s and 1960s The planet is experiencing a new “Silent Spring…

Environment Agency under fire for extending schedule for tackling pollution in rivers, lakes and coastal waters to 2063 Targets to clean up the majority of England’s rivers, lakes and coastal…

My brother organised a medical camp after the summer’s deadly floods – a disaster caused by powerful nations

International study projects up to 80% of emperor penguin colonies will be ‘quasi-extinct’ by 2100

Waratah Coal lodges application to overturn recommendation that lease and approvals be refused

Long years of complex negotiations led up to one critical moment for the planet at Cop15 in Montreal this week. For a time, it seemed all was lost. Here’s what happened next…

Blistering cold events are becoming more stark and pose a threat not only to humans but to entire ecosystems The extreme cold settling over the US this week will be biting, as a blast of arctic air…

Coverage of climate crisis solutions is slim in textbooks, with many references moving to the back pages US college-level biology textbooks miss the mark on offering solutions to the climate crisis…

Lawyer in a civil lawsuit launched by towns in hurricane-hit Puerto Rico describes why it is using laws used to target mob bosses The same racketeering legislation used to bring down mob bosses,…