Northern hemisphere breaks record for hottest ever summer

  • Past three months were 1.17C above 20th-century average
  • 2020 on track to be one of five warmest years, Noaa finds

This summer was the hottest ever recorded in the northern hemisphere, according to US government scientists.

Related: Bigger than London, bigger than New York City: visualizing the size of fires in the US

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UK move to classify Extinction Rebellion ‘organised crime group’ comes under fire

Letter signed by 150 public figures hits back at move to scapegoat protesters

Stephen Fry, Mark Rylance and a former Archbishop of Canterbury are among 150 public figures to hit back at government moves to classify the climate protesters of Extinction Rebellion as an “organised crime group”. In a letter to be published in the Observer on Sunday, XR is described as “a group of people who are holding the powerful to account” – who should not become targets of “vitriol and anti-democratic posturing”.

It comes in response to the prime minister and home secretary’s reported move to review how the group is classified in law after it disrupted the distribution of four national newspapers, including the Sun and the Daily Mail, last Saturday.

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California governor: ‘We are in the midst of a climate emergency’ – video

The California governor, Gavin Newsom, said ‘this is not a world that anyone should be experiencing’ as he surveyed charred mountain terrain devastated by wildfires. ‘If you do not believe in science, I hope you believe in observed evidence,’ he added. More than 68,000 people are under evacuation orders in California where the largest fire in state history has burned over 740,000 acres in the Mendocino National forest

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As fires burn the west, top Democrats stay quiet on the climate crisis

Nancy Pelosi has been notably tepid on green legislation – so are the Democrats serious about fighting climate change?

With hundreds of thousands of Americans forced to evacuate their homes in the western US, Donald Trump hasn’t said a word about the wildfires blazing across multiple states in nearly three weeks.

Related: Oregon fires force hundreds of thousands to flee as deaths rise

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Illegal devices that bypass vehicle emissions controls spread across US

Thousands of tons of pollution spew into the air in the US from devices that proliferate online and in body shops

When officials at the Environmental Protection Agency began investigating Freedom Performance, LLC, they didn’t have to look very hard for evidence that the company was violating the Clean Air Act. According to legal documents, the Florida car parts distributor literally advertised violations on its website.

“The road to hell is often paved with good intentions,” stated one ad for a kit to remove federally required emissions controls from diesel trucks. It identified a particular emissions control system that “is certainly noble in its intent” but “in reality it is putting your engine through hell … The best solution is deletion.”

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Shorter lifespan of faster-growing trees will add to climate crisis, study finds

Rise in carbon capture as global warming speeds growth of forests would be negated by earlier deaths, say scientists

Live fast, die young is a truism often applied to rock stars but could just as easily describe trees, according to new research. Trees that grow rapidly have a shorter lifespan, which could spell bad news for tackling the climate crisis.

Trees grow faster in warmer conditions, and this should act as a natural brake on global heating, as they take up and store more carbon dioxide from the air as they grow. But the new study casts doubt on this beneficial cycle, finding that the faster trees grow, the sooner they die – and therefore stop storing carbon.

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Greta Thunberg says Venice documentary shows her real self

Global climate activist pleased with film’s portrayal of her as a ‘shy nerd’

A documentary following Greta Thunberg and her journey from Swedish schoolgirl to global climate activist accurately portrays her as a “shy nerd”, the teenager said as the film premiered at the Venice film festival.

Director Nathan Grossman recorded Thunberg’s everyday life for a year, chronicling her rise to fame from the beginning of her school strike outside the Swedish parliament in August 2018 to her trips around the world demanding that political leaders take action to fight the climate crisis.

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French PM says jobs and green economy at heart of Covid recovery plan

Jean Castex unveils €100bn plan aimed at returning France to pre-pandemic economic strength

France’s prime minister has stressed the importance of getting the country back on its feet within 18 months and “transforming” the French economy with a green makeover as he unveiled a €100bn (£89bn) coronavirus recovery plan.

Jean Castex outlined how France would spend its way out of the crisis, rather than create “social misery” through austerity measures, with a plan that had the environment, competitiveness and employment as its three pillars.

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France’s ‘big green recovery plan’ not big enough for campaigners

A third of €100bn post-Covid package to be used for greener future, but critics say it falls short

Billed by the economy minister, Bruno Le Maire, as a “big green recovery plan”, one-third of France’s €100bn (£90bn) post-Covid economic stimulus package will be spent, in the government’s words, on “ecological transition” and “greening the economy”.

Environmental groups said the plan, presented on Thursday by the prime minister, Jean Castex, and other cabinet members, marked a welcome first step – but criticised a missed opportunity to break decisively with a growth-driven, high-carbon economy.

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Satellite images show rapid growth of glacial lakes worldwide

Number of glacial lakes rose by 53% in 1990-2018 to reveal impact of increased meltwater

Glacial lakes have grown rapidly around the world in recent decades, according to satellite images that reveal the impact of increased meltwater draining off retreating glaciers.

Scientists analysed more than quarter of a million satellite images to assess how lakes formed by melting glaciers have been affected by global heating and other processes.

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E-scooters: time to take the brakes off | Letter

The government must stop dragging its feet when it comes to encouraging the use of e-scooters, argues Hilary Saunders

Your article about e-scooters (UK rides the wave of micromobility by embracing e-scooters, 25 August) failed to raise some vital questions.

As electric scooters can cost as little as £120, they could provide the ideal transport for low-income commuters, while helping to reduce carbon emissions, especially in cities. It would not cost much to mark out a lane on arterial roads for the use of bicycles and e-scooters.

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Extinction Rebellion plans bank holiday weekend ‘uprising’

Climate protests including ‘funeral march’ due to take place across UK, with focus on airports

Climate demonstrations are due to take place across the UK this weekend, as the environmental campaign group Extinction Rebellion launches its latest “uprising”.

This weekend’s events will include a “funeral march” in Lewes, East Sussex, to “mark the death and destruction wrought by humans on our natural world”. The march, described as a Procession for the Planet, will include mourners dressed in black and a jazz band.

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Boss vows to tackle misconduct claims at UN Green Climate Fund

Yannick Glemarec responds to FT report of 40 complaints including racism and sexism

The head of the UN’s climate finance body has pledged to tackle complaints of misconduct at the organisation “as a matter of urgency”, after such claims against unidentified staff members were published.

Yannick Glemarec, the executive director of the Green Climate Fund, told the Guardian: “We need to continue working on building the culture of the organisation. Trust is key for our organisation.”

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‘Next fire season is already upon us’: NSW to adopt all recommendations of bushfire inquiry report

Report finds climate change ‘clearly played a role’ in conditions that led up to Australia’s 2019-2020 fires, which were so extreme, traditional firefighting methods often failed

Last summer’s bushfire disaster was so unusual that traditional firefighting methods, such as hazard reduction burning, failed in some instances, an inquiry into the crisis heard.

The final report of the New South Wales bushfire inquiry, published on Tuesday, said the 2019-20 bushfire season brought fires in forested regions on a scale not seen in recorded history in Australia.

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Earth has lost 28 trillion tonnes of ice in less than 30 years

‘Stunned’ scientists say there is little doubt global heating is to blame for the loss

A total of 28 trillion tonnes of ice have disappeared from the surface of the Earth since 1994. That is stunning conclusion of UK scientists who have analysed satellite surveys of the planet’s poles, mountains and glaciers to measure how much ice coverage lost because of global heating triggered by rising greenhouse gas emissions.

The scientists – based at Leeds and Edinburgh universities and University College London – describe the level of ice loss as “staggering” and warn that their analysis indicates that sea level rises, triggered by melting glaciers and ice sheets, could reach a metre by the end of the century.

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Could the US and Caribbean be heading for their worst hurricane season?

Experts say they are concerned as two potential hurricanes head north – and coronavirus is complicating matters

Two potential hurricanes are heading towards the northern Caribbean and mainland United States – with a third building in the Atlantic – in apparent confirmation of meteorologists’ predictions that the 2020 Atlantic hurricane season will become one of the worst on record.

Related: US faces threat of two Caribbean storms hitting simultaneously as hurricanes

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UK weather: Met Office warns of winds up to 70mph to hit coast

Storm Ellen’s strongest winds are expected across south-west England and west Wales

Emergency services have urged the public to be aware of the dangers posed by strong winds in the wake of Storm Ellen.

Gusts of up to 70mph could hit coastal areas on Friday, which when combined with high spring tides may trigger large waves and flooding.

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Greenland ice sheet lost a record 1m tonnes of ice per minute in 2019

Climate-driven loss is likely to be the worst for centuries, and is pushing up sea levels

The Greenland ice sheet lost a record amount of ice in 2019, equivalent to a million tonnes per minute across the year, satellite data shows.

The climate crisis is heating the Arctic at double the rate in lower latitudes, and the ice cap is the biggest single contributor to sea level rise, which already imperils coasts around the world. The ice sheet shrank by 532bn tonnes last year as its surface melted and glaciers fell into the ocean and would have filled seven Olympic-sized swimming pools per second.

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Revealed: how the gas industry is waging war against climate action

In a nationwide blitz, gas companies and their allies fight climate efforts that they consider an existential threat to their business

When progressive Seattle decided last year to wipe out its climate pollution within the decade, the city council vote in favor was unsurprisingly unanimous, and the easiest first step on that path was clear.

About one-third of the city’s climate footprint comes from buildings, in large part from burning “natural” gas for heating and cooking. Gas is a fossil fuel that releases carbon dioxide and far more potent methane into the atmosphere and heats the planet. It is plentiful and cheap, and it’s also a huge and increasing part of America’s climate challenge.

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UK weather: winds of more than 70mph expected as Storm Ellen arrives

Met Office issues yellow weather warning and says potential power cuts and travel delays possible

Britons on camping holidays have been warned of the possible danger of falling trees as parts of the UK brace for winds of more than 70mph to hit.

The arrival of Storm Ellen in Ireland and western parts of the UK on Wednesday evening signalled conditions more akin to autumn and winter.

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