They suck up energy and water, and blast out heat. Just who is better off from all this investment – aside from tech bros?

The two great existential threats of our time – the climate crisis and AI – come hurtling together in the explosion of datacentres across Australia and around the world.

You can hardly avoid hearing about them these days, either with awed reverence of the promised benefits to humankind or with fear and anger given the implications for the climate, inflation, jobs and even housing affordability.

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© Photograph: Jono Searle/AAP

© Photograph: Jono Searle/AAP

© Photograph: Jono Searle/AAP

There are far better ways to tackle climate breakdown, but successive governments have chosen to listen to the fossil fuel companies instead

The new prime minister will be looking for money? Well, here’s £21.7bn lying on the ground. The government could cancel its deranged, disastrous carbon capture and storage (CCS) programme at no cost to public welfare: in fact, it would greatly reduce the harm we will suffer.

Sorry, did I say £21.7bn? That’s the figure the government has been putting in its press releases for spending on this programme between now and 2050. But this covers only the first phase of the project. The climate experts Dr Andrew Boswell and Simon Oldridge worked through the data produced by the government’s Climate Change Committee, which was scattered across different spreadsheets, and discovered that the projected cost of the full CCS programme between now and 2050 is £264bn.

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© Illustration: Eleanor Shakespeare/The Guardian

© Illustration: Eleanor Shakespeare/The Guardian

© Illustration: Eleanor Shakespeare/The Guardian

Bill Frist, a surgeon who also served as Senate majority leader, has emerged as an outspoken advocate for environmental health. “A healthier planet means healthier people,” he said.

© Kirsten Luce for The New York Times

Labour has approved a wave of renewable energy projects, but turning plans into power remains slow. Why is that?

Labour has a race on its hands if it is to lock in its promise to achieve a virtually zero-carbon electricity system by 2030.

Britain’s next prime minister will have to move fast: the climate emergency is raging, high energy bills are driving up the cost of living and the reactionary right is threatening a fossil fuel push if it wins power.

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© Composite: Guardian design / SSE

© Composite: Guardian design / SSE

© Composite: Guardian design / SSE

The lawsuit aims to hold fossil fuel companies responsible for a heat wave in Portland five years ago. The industry says the case should be thrown out.

© Michael Hanson for The New York Times

A scientific analysis concluded that such high temperatures, across so much of the continent, would “not have been possible” without global warming.

© Christophe Archambault/Agence France-Presse — Getty Images

The extreme heat smothering Europe has upended Climate Week in London.

© Pool photo by Yui Mok

The burning of fossil fuels is raising temperatures worldwide, but local factors, on land and at sea, determine which regions warm most rapidly.

© Toby Shepheard/Agence France-Presse — Getty Images

Photographer Shane Hynan explores the tension between the central role peat bogs play in Irish life and their wider environmental impact

“You can read Ireland’s history in the boglands. They hold millennia in their layers,” says photographer Shane Hynan of his project, Beofhód (meaning Beneath in English).

The boglands, known as portachs in Irish, cover roughly 1.2m to 1.5m hectares or about 14% to 17% of the country’s total land area. The raised bogs of the Irish Midlands are made of peat that forms at a rate of 1mm a year (0.04in) in low-lying, poorly drained basins or former lakes. As the historical geographer Kevin Whelan observes in the Atlas of the Irish Rural Landscape, “the bog has been etched as deeply into the human as into the physical record in Ireland – to an extent unrivalled elsewhere.”

Eddie and Con footing turf for domestic use, Knockirr Bog, County Kildare, 2022.

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© Photograph: Shane Hynan

© Photograph: Shane Hynan

© Photograph: Shane Hynan

Many philanthropists are backing away from climate giving. But one is writing very big checks.

© Justin Tallis/Agence France-Presse — Getty Images

Many philanthropists are backing away from climate giving. But one is writing very big checks.

The federal government wants to help utilities buy large components for up to 10 large nuclear reactors. It’s unclear which, if any, companies might participate.

© Kendrick Brinson for The New York Times

The federal government wants to help utilities buy large components for up to 10 large nuclear reactors. It’s unclear which, if any, companies might participate.

A pair of proposals from the Trump administration would lower costs and weaken requirements for fossil fuel companies that drill on federal property.

© Paul Ratje for The New York Times

Top 10% generate climate and biodiversity damage bill that exceeds economies of most countries, say researchers

The environmental damage bill racked up by the highest-consuming 10% of the world’s population has reached up to $5.7tn a year – larger than the economy of every country except the US and China, a study has found.

Mega-consumers in this group are concentrated in the global north, accounting for more than half the population of the US and 40-45% of people in the EU.

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© Photograph: Francis R Malasig/EPA

© Photograph: Francis R Malasig/EPA

© Photograph: Francis R Malasig/EPA

It’s the third such deal the Interior Department has struck to pay firms to abandon plans for offshore turbines, spending roughly $2.5 billion to get companies to abandon their wind projects.

It’s the third such deal the Interior Department has struck to pay firms to abandon plans for offshore turbines, spending roughly $2.5 billion to get companies to abandon their wind projects.

© Joshua A. Bickel/Associated Press

Asda, Amazon and B&Q among retailers in talks to sell devices that feed into household sockets and can cut electricity bills by 30%

• Spanish homes save €10 a month via renewables expansion

Bosses of some of Britain’s biggest retailers are discussing plans with the government to start selling plug-in solar panels as part of a drive to encourage more UK homes to generate their own electricity.

Executives from brands including Currys, B&Q and Amazon met Martin McCluskey, the minister for energy consumers, on Tuesday to discuss guidelines for selling “balcony solar panels” to the British public.

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© Photograph: Climate Central

© Photograph: Climate Central

© Photograph: Climate Central

As the midterm elections approach, many leading Democrats are rethinking their approach to climate change.

As the midterm elections approach, many leading Democrats are rethinking their approach to climate change.

© Anna Moneymaker/Getty Images