Chance of limiting global warming to 1.5C is ‘virtually zero’ on current trends, UN warns
The chance of limiting global warming to 1.5C is “virtually zero” on current trends, according to the UN’s environment body.
This year’s Emissions Gap Report finds that emissions of greenhouse gasses in 2023 were the highest on record.
More concerning, the rate of growth since 2022 was nearly twice as fast as in the decade preceding the COVID pandemic.
This comes despite decades of climate talks and a boom in wind and solar power.
The analysis finds that the current trajectory in carbon emissions puts the world on course for a potentially catastrophic 3.1C of warming this century – compared to pre-industrial times.
While emissions in many wealthy countries, including the UK, the US and the EU have peaked, they are not falling anywhere near fast enough to make up for rapidly growing emissions in places like China, India, Indonesia, Saudi Arabia and Vietnam.
A chart showing the likely scenarios for global temperatures in the event that CO2 emissions can be cut
‘Crunch time is here’
“Climate crunch time is here,” said Inger Andersen, executive director of the United Nations Environment Programme (UNEP).
“We need global mobilisation on a scale and pace never seen before – starting right now, before the next round of climate pledges.”
The report urges nations meeting at the UN climate summit next month in Baku, Azerbaijan, to come forward with emissions-cutting commitments that don’t continue to ignore the agreement they all signed in Paris in 2015.
The Baku Olympic Stadium will host the COP29 conference.
Pic: Reuters
The Paris Agreement, signed by 196 countries, pledged to limit global warming to well below 2C above pre-industrial levels and try and prevent it from rising beyond 1.5C.
The UNEP analysis of current carbon-cutting commitments finds only one country, Madagascar, has submitted a more ambitious one since last year.
And only a handful are ambitious enough to actually slow global warming.
If all current pledges were implemented in full the world would still warm by between 2.6C-2.8C this century.
Given many countries, including the UK, are yet to implement policies to fully meet their targets, the current trajectory takes the world closer to a potentially catastrophic 3.1C of warming.
“Central warming projections indicate that the chance of limiting global warming to 1.5C would be virtually zero,” the report concludes.
A chart showing how emissions have increased over time
‘This is a battle we cannot afford to lose’
It’s not all bad news however.
An analysis of the cost of measures to reduce emissions finds there is technical potential for cuts of 31 gigatons of greenhouse gasses by 2030 – around half of the total emitted globally in 2023 – and 41 gigatons by 2035.
This “massive effort” to deploy zero-carbon electricity generation like wind and solar and reverse deforestation trends would bridge the gap needed to put the world back on track to keep warming below 1.5C.
However, years of inaction have made this challenge harder, the report finds.
Emission cuts must be 7.5% steeper every year until 2035 to meet 1.5C and 4% annually to keep to 2C.
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“Maybe we won’t get all the way to 1.5C but 1.6C is a lot better than 1.7C,” says Dr Anne Olhoff, the report’s lead author.
“Basically, every fraction of a degree matters and this is a battle we cannot afford to lose.”
Countries have until 2025 to submit new carbon-cutting pledges under the Paris Agreement.
But to deliver the cuts required, the main challenge – and one that will be central to talks at the upcoming climate summit in Baku – is technical and financial assistance from rich countries to poorer ones that don’t bear historical responsibility for global warming.
Progress, says Dr Olhoff, “hinges on immediate and relentless action.”
“Most of all, of course, it depends on political leadership.”
World
Brazil implores businesses to attend major climate summit, despite ‘second thoughts’ amid Trump backlash
The Brazilian hosts of the biggest climate meeting of the year have implored businesses to attend in November, amid concerns some are backing away from the climate agenda into the shadow of Donald Trump.
In an interview with Sky News, Ana Toni, chief executive of the COP30 climate summit in November, admitted some companies were having “second thoughts” about the global switch to green economies because policymakers were creating uncertainty.
The US President Donald Trump has been attacking wind farms and waging tariff wars that could slow the transition to green energy.
Banks including HSBC and Barclays have ditched a net zero alliance set up just four years ago by Mark Carney, now the Canadian Prime Minister.
Ana Toni, Brazil’s climate secretary, is chief executive of the COP30 climate talks. Pic: Reuters
But even before Trump took office, tech companies were quietly dropping climate targets to prioritise energy-hungry AI, and other businesses were “greenhushing” their climate initiatives for fear of backlash.
In this environment, there are fears fewer business leaders will attend the annual talks, which are also being hosted in a city on the edge of the Amazon that hasn’t enough hotel rooms.
On Friday, the COP30 team wrote to business leaders urging them to “step forward, not back” and travel to Belem, despite “logistical challenges” and the “background of systemic uncertainty”.
Ana Toni told Sky News: “We are very concerned that the enabling conditions must be there so that the private sector can also deliver where they do best, which is bringing in technology, bringing innovation and accelerating the process of decarbonisation.”
In August the share price of Danish wind farm developer plummeted after the US halted its Rhode Island wind farm, while the British Tories and Reform parties are also attacking net zero.
Ana Toni met with King Charles and leaders of other COP summits at Clarence House last year. Pic: Reuters
But Ms Toni there is “nothing to panic [about], because we can see that the transition is inevitable,” citing major progress in China, India and Europe and Brazil.
Referring to the US’s withdrawal from the COP process, she said: “198 countries minus one is not zero. And we will put all our efforts of working with the 197 countries that want to go forward and want to protect their population.”
“Climate action is not only [still] cool, it is necessary,” Ms Toni said.
“We all need to face reality. We are going through a huge climate crisis… If you’re not part of the solution, you’re part of the problem. Companies understand that.”
World
Thai prime minister Paetongtarn Shinawatra sacked for ethics violation after leaked phone call
Thailand’s prime minister has been sacked after a leaked phone call with a senior Cambodian politician caused outrage.
Paetongtarn Shinawatra, who was Thailand’s youngest PM, has been dismissed from office by the country’s Constitutional Court after only a year in power.
The court found Ms Shinawatra, 39, violated ethics in a leaked June telephone call, during which she appeared to kowtow to Cambodia’s former leader Hun Sen as the bordering countries were on the verge of an armed conflict.
She also criticised a Thai army commander – a taboo move in a country where the military is extremely influential.
Fighting erupted weeks later and lasted five days. At least 35 people were killed and more than 260,000 were displaced.
Ms Shinawatra, who was new to politics when she took office in August last year, apologised over the call and said she was trying to avert a war. She was suspended in July.
Ms Shinawatra arriving at Government House in Bangkok ahead of the verdict on Friday. Pic: Reuters
She is now the fifth Thai PM from, or backed by, the billionaire Shinawatra family to be removed by the military or the judiciary in 17 years, amid a battle for power between the country’s warring elites.
The ruling thrusts Thailand into more political uncertainty at a time of public unease over stalled reforms and a stuttering economy.
Speaking after the court’s decision, the exiting PM said “all sides” in Thai politics now “have to work together to build political stability and to ensure that there won’t be another turning point again”.
The focus will now shift to who will replace Ms Shinawatra.
Her influential, billionaire father, Thaksin Shinawatra, who also once served as Thailand’s PM, is expected to be at the heart of a flurry of bargaining to keep the ruling Pheu Thai party in power.
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The leader of the main opposition People’s Party has called for the next prime minister to dissolve parliament once they are installed.
The deputy PM, Phumtham Wechayachai, and the current cabinet will act as government caretakers until a new leader is elected by parliament. There is no time limit on when that must take place.
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