Some Tesla investors, along with environmentalists, have been increasingly critical about the way bitcoin is “mined” using vast amounts of electricity generated with fossil fuels. Photograph: Kena Betancur/AFP

Tesla Inc will no longer accept bitcoin for car purchases, chief executive Elon Musk said on Wednesday, citing long-brewing environmental concerns for(...)

Some 17 per cent of total global energy use currently comes from renewables. Even allowing for rapid ongoing adaption of clean energy, it appears implausible that such ongoing increases in energy – and resource – consumption could occur without triggering catastrophic destabilisation of our planetary life support systems. Photograph: Getty Images

More than any other single factor, the defining characteristic of the modern era has been humanity’s use of cheap, plentiful energy. In the 20th centu(...)

The event will forge a declaration on how to raise global ambition at COP26 with specific recommendations to accelerate the transition to net-zero emissions.   Photograph: iStock

Details have been announced of Irish initiative to lead an international effort “to move beyond ambition” among the world’s largest carbon pollut(...)

US president Joe Biden said millions of good, well-paid jobs would emerge from tackling the climate crisis, including in “fields we haven’t even conceived of yet”. Photograph:  Jim Watson/AFP via Getty Images

Even geopolitical foes can find common ground on combating climate change, US president Joe Biden declared during the closing session of a global summ(...)

A coal power plant in Adamsville, Alabama. Photograph: Andrew Caballero-Reynolds/AFP via Getty

The United States is scaling up its climate ambition in tandem with whistle-stop visits to big carbon-emitting countries in an effort to forge greater(...)

 Brussels’ expert advisers last year were split over whether nuclear power deserved a green label. Photograph: EDF / AFP / Charly Triballeau via Getty

Greenpeace Europe has warned the European Commission against reinstating nuclear power on the list of activities deemed sustainable by the European Un(...)

 Swedish climate activist Greta Thunberg  during a Fridays for Future protest in  Stockholm. Photograph:  Jonathan Nackstrand/AFP via Getty Images

The environmental movement of school children begun by Swedish activist Greta Thunberg is making a last bid to scupper European Union farming subsidie(...)

Stockpiles of coal  in Newcastle, New South Wales, Australia. Ending the use of coal is paramount, said COP26 president Alok Sharma. Photograph: Brendon Thorne/Bloomberg

Forcing countries to decarbonise in response to the climate crisis is not the way to go, according to the US government’s climate envoy John Kerry. I(...)

International Energy Agency executive director Fatih Birol: “Tremendous amount” now needs to be done. Photograph: David Sleator

If governments do not put in place sustainable recovery plans post-Covid and deploy clean energy solutions, global carbon emissions risk rebounding a(...)

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