Going vegan: can switching to a plant-based diet really save the planet?

If politicians are serious about change, they need to incentivise it, say scientists and writers

The UK business secretary, Kwasi Kwarteng, is considering a “full vegan diet” to help tackle climate change, saying people will need to make lifestyle changes if the government is to meet its new emissions target of a 78% reduction on 1990 levels by 2035.

But how much difference would it make if everyone turned to a plant-based diet? Experts say that changing the way we eat is necessary for the future of the planet but that government policy is needed alongside this. If politicians are serious about wanting diet changes, they also need to incentivise it, scientists and writers add.

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Biden’s pledge to slash US emissions turns spotlight on China

World leaders will be unable to halt climate breakdown without strong action from biggest emitter

The US, the world’s second biggest emitter of greenhouse gases, is now committed to halving emissions this decade.

Joe Biden’s announcement, at a White House virtual climate summit, has thrown the spotlight clearly on the world’s biggest emitter: China.

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China’s Xi Jinping to attend Joe Biden’s climate summit

Virtual summit on Thursday will be the first meeting between the two leaders since Biden took office

China’s President Xi Jinping will attend a US-led climate change summit on Thursday at the invitation of President Joe Biden, in the first meeting between the two leaders since the advent of the new US administration.

Biden has invited dozens of world leaders to join the two-day virtual summit starting on Thursday, after bringing the US back into the 2015 Paris agreement on cutting global carbon emissions.

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Joe Biden to reveal US emissions pledge in key climate crisis moment

President will also call on major economies to join him in bold action at virtual summit of 40 world leaders

Joe Biden faces a key test of his commitment to climate action this week, when he sets out his core plans for tackling the climate crisis and calls on all of the world’s major economies to join him in bold action to slash greenhouse gas emissions in the next ten years.

The US president has made the climate emergency one of his administration’s top priorities, and stated that clean growth must be the route for the US to rebound from the coronavirus crisis.

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Whitest-ever paint could help cool heating Earth, study shows

New paint reflects 98% of sunlight as well as radiating infrared heat into space, reducing need for air conditioning

The whitest-ever paint has been produced by academic researchers, with the aim of boosting the cooling of buildings and tackling the climate crisis.

The new paint reflects 98% of sunlight as well as radiating infrared heat through the atmosphere into space. In tests, it cooled surfaces by 4.5C below the ambient temperature, even in strong sunlight. The researchers said the paint could be on the market in one or two years.

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China ‘must shut 600 coal-fired plants’ to hit climate target

Move towards renewables to hit net zero by 2060 would also pay off with saving of $1.6tn, analysis finds

China must shut down nearly 600 of its coal-fired power plants in the next 10 years, replacing them with renewable electricity generation, to meet its goal of net zero greenhouse gas emissions by 2060, a report has said.

But replacing the 364GW of coal generation with renewable power would achieve a net saving of $1.6tn (£1.2tn) over the period, since wind and solar power are now much cheaper than coal, according to the analysis company TransitionZero.

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France to ban some domestic flights where train available

MPs vote to suspend internal flights if the trip can be completed by train within two and a half hours instead

French MPs have voted to suspend domestic airline flights that can be made by direct train in less than two and a half hours, as part of a series of climate and environmental measures.

After a heated debate in the Assemblée Nationale at the weekend, the ban, a watered-down version of a key recommendation from President Emmanuel Macron’s citizens’ climate convention, was adopted.

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Urgent policies needed to steer countries to net zero, says IEA chief

Economies are gearing up for return to fossil fuel use instead of forging green recovery, warns Fatih Birol

New energy policies are urgently needed to put countries on the path to net zero greenhouse gas emissions, the world’s leading energy economist has warned, as economies are rapidly gearing up for a return to fossil fuel use instead of forging a green recovery from the Covid-19 pandemic.

Most of the world’s biggest economies now have long-term goals of reaching net zero by mid-century, but few have the policies required to meet those goals, said Fatih Birol, the executive director of the International Energy Agency (IEA).

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Nigel Farage appointed to advisory board of green finance firm

Dutch Green Business, which plants trees for carbon capture, says ex-Ukip leader will ‘facilitate introductions’

He has criticised Greta Thunberg for “alarmism” and wind power as “economic insanity” – but Nigel Farage appears to have made a U-turn on climate change, after signing up as a lobbyist for a Dutch green finance firm, in his first commercial role outside frontline politics.

Dutch Green Business Group, which is listed on the Amsterdam stock exchange, said it had appointed Farage to its new advisory board. The eurosceptic and former Ukip leader will “facilitate introductions to politicians and business leaders in the UK and around the world” while also acting as a spokesman for the company, it said in a press release.

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UK’s Cop26 president calls for world to get on track to hit net zero by 2050

Alok Sharma sets out UK’s aims as host of climate talks, including new emissions targets for 2030

The world must be put on a path to reaching net zero by 2050 if the goal of holding global temperature rises below 1.5C is to be kept within reach, the UK host of this year’s climate talks has said.

Alok Sharma, the president of the UN Cop26 climate summit, said that for the talks in Glasgow in November to be judged a success, governments must urgently set out their targets to cut greenhouse gas emissions over the next decade including announcing an end to new coal power plants and commitments to phase out existing ones. Sharma is also urging countries to end the sale of new petrol and diesel vehicles.

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Feeding cows seaweed could cut their methane emissions by 82%, scientists say

Researchers found cows belched out 82% less methane after putting small amount of seaweed in their feed for five months

Feeding seaweed to cows is a viable long-term method to reduce the emission of planet-heating gases from their burps and flatulence, scientists have found.

Researchers who put a small amount of seaweed into the feed of cattle over the course of five months found that the new diet caused the bovines to belch out 82% less methane, a potent greenhouse gas, into the atmosphere.

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Yallourn, one of Australia’s last brown coal power stations, to close early in favour of giant battery

Power station produces 13% of Victoria’s and 3% of national emissions and employs 500 people

One of Australia’s dirtiest coal-fired power stations, Yallourn in Victoria’s Latrobe valley, will close four years earlier than scheduled and be replaced, in part, by a grid-scale battery.

EnergyAustralia announced on Wednesday it would shut the 1970s-built, 1,480-megawatt brown coal plant in mid-2028.

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China’s five-year plan could push emissions higher unless action is taken

Target is in line with previous trends and could mean greenhouse gas emissions continuing to rise

China has set out an economic blueprint for the next five years that could lead to a strong rise in greenhouse gas emissions if further action is not taken to meet the country’s long-term goals.

The 14th five-year plan, published in Beijing on Friday, gave few details on how the world’s biggest emitter would meet its target of reaching net zero emissions by 2060, set out by President Xi Jinping last year, and of ensuring that carbon dioxide output peaks before 2030.

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Fossil fuel cars make ‘hundreds of times’ more waste than electric cars

Analysis by transport group says battery electric vehicles are superior to their petrol and diesel counterparts

Fossil fuel cars waste hundreds of times more raw material than their battery electric equivalents, according to a study that adds to evidence that the move away from petrol and diesel cars will bring large net environmental benefits.

Only about 30kg of raw material will be lost over the lifecycle of a lithium ion battery used in electric cars once recycling is taken into account, compared with 17,000 litres of oil, according to analysis by Transport & Environment (T&E) seen by the Guardian. A calculation of the resources used to make cars relative to their weight shows it is at least 300 times greater for oil-fuelled cars.

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Denmark’s climate policies ‘insufficient’ to meet 2030 target

Report says country set to cut carbon emissions by 54% compared with 1990 levels, not 70% as planned

The Danish government’s efforts towards meeting the country’s ambitious target of reducing emissions by 70% by 2030 have been judged “insufficient” by the body tasked with monitoring its progress, with measures so far announced only likely to take it a third of the way.

In its first annual status report, the Danish Council on Climate Change said new laws, inter-party agreements and initiatives announced since the country’s climate law came into effect last June would reduce emissions by the equivalent of 7.2m tonnes of CO2 by 2030, which is only enough to reduce Denmark’s emissions by 54% compared with 1990 levels.

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Thames Water hopes to harness human ‘poo power’ to heat homes

Company says sewage plan would avoid 105,000 tonnes of carbon dioxide emissions over 30 years

Thousands of homes in south-west London could soon be warmed by the waste from their local sewage works as part of England’s first poo-powered district heating scheme.

Thames Water hopes to harness the heat of human waste from its treatment plant in Kingston upon Thames to warm more than 2,000 new homes that form part of a regeneration plan for the borough’s Cambridge Road estate.

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US makes official return to Paris climate pact

World leaders expect Washington to prove commitment to accord after four years of inaction

The US is back in the Paris climate accord, just 107 days after it left.

While Friday’s return is heavily symbolic, world leaders say they expect the US to prove its seriousness after four years of being mostly absent. They are especially keen to hear an announcement from Washington in the coming months on the US’s goal for cutting emissions of heat-trapping gases by 2030.

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Bill Gates: ‘Carbon neutrality in a decade is a fairytale. Why peddle fantasies?’

After putting $100m into Covid research, the billionaire is taking on the climate crisis. And first he has some bones to pick with his fellow campaigners...

Bill Gates appears via video conference – Microsoft Teams, not Zoom, obviously – from his office in Seattle, a large space with floor-to-ceiling windows overlooking Lake Washington. It’s a gloomy day outside and Gates is, somewhat eccentrically, positioned a long way from the camera, behind a large, kidney-shaped desk; his communications manager sits off to one side. If one had to stage, for the purposes of symbolism, a tableau of a man for whom a distance of 3,000 miles between callers still constitutes too intimate a setting, it might be this. “As a way to start,” says Gates’ aide, “would it be helpful for Bill to make a couple of comments about why he wrote his new book?” It is helpful, and I’m not ungrateful, but this is not how interviews typically commence.

There is an urge towards deference, when speaking to Gates, which attends few other people of commensurate fame. Celebrity is one thing, but wealth – true, former-richest-man-in-the-world wealth – is something else entirely; one has a sense of being granted an audience with the Great Man, a fact made more surreal by his famously muted persona. The 65-year-old has the lofty, mildly longsuffering air of a man accustomed to being the smartest guy in the room, leavened by wry amusement and interrupted, on the evidence of past interviews, by the occasional peevish outburst – most memorably in 2014, when Jeremy Paxman questioned him about Microsoft’s alleged tax avoidance. (“I think that’s about as incorrect a characterisation of anything I’ve ever heard,” he said, practically squirming in his seat with annoyance.)

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Michael McCormack says agriculture could be excluded from 2050 net zero emissions target

Deputy PM says he’s focusing on now, not 2050, as Coalition’s climate skirmishes go on

The Coalition is facing an increasingly testy party room as it struggles to land on a climate policy, with the Nationals leader, Michael McCormack, declaring he is “not worried about what might happen in 30 years’ time”.

The deputy prime minister said excluding agriculture from Australia’s attempts to reach net zero emissions by 2050 may be one option.

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Court convicts French state for failure to address climate crisis

State found guilty of ‘non-respect of its engagements’ aimed at fighting global warming

A Paris court has convicted the French state of failing to address the climate crisis and not keeping its promises to tackle greenhouse gas emissions.

In what has been hailed as a historic ruling, the court found the state guilty of “non-respect of its engagements” aimed at combating global warming.

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