Climate Reporter, BBC News
The Earth may be wasted to break the symbolic 1.5C warming range for three years at the current levels of carbon dioxide emissions.
This is a warning from more than 60 major climate scientists in the world in the most up -to -date evaluation of the global warming state.
Nearly 200 countries agreed to try to limit global temperature rising in the late 1800s in a historic agreement in 2015, aimed at avoiding some of the worst effects of climate change.
But countries have continued to burn the record volume of coal, oil and gas and cut the carbon -enhanced forests – that international target is left in Peril.
Climate change is already Many season’s peak deteriorated – Like 40 C heat of UK in July 2022 – and is fast Global sea level raisedThreatening coastal communities.
“Things are moving in the wrong direction,” said Professor Pierce Fonder, Director Professor Pierce, Director of Professor Pierce, at the University of Leeds University.
“We are seeing some unprecedented changes and we are looking rapidly along with increase in the temperature and sea level of the earth.”
These changes have been “predicted for some time and we can put them back directly into high level emissions”, he said.
In early 2020, scientists estimated that humanity could emit more than 500 billion tons of carbon dioxide (CO2) – the most important planet -wise -winning gas – for 50% probability of keeping warming up to 1.5C.
But by the beginning of 2025, according to the new study, the so -called “carbon budget” shrunk to 130 billion tonnes.
This deficiency is largely due to record emissions of CO2 and other planetary greenhouse gases, such as methane, but also improves scientific estimates.
If the global CO2 emission remains at its current high of about 40 billion tonnes per year, 130 billion tons give the world about three years until the carbon budget is over.
This can commit the world to break the set target Paris agreementResearchers say, although the planet will probably not pass 1.5C of human-causing warming until a few years later.
Last year was the first on record when global average air temperatures were More than 1.5C In the late 1800s.
A single 12 -month duration is not considered a violation of the Paris Agreement, however, an additional promotion by the natural weather pattern with a record heat of 2024.
Researchers estimate that human-causing warming was the main cause of last year’s high temperature, reaching 1.36C from pre-industrial levels.
This current rate of warming is about 0.27C per decade – much faster than anything in geological records.
And if the emission remains high, the planet is on the track to reach the 1.5C warming on that metric around 2030.
After this point, prolonged warming, in principle, can be brought back by sucking large amounts of CO2 in large amounts from the atmosphere.
But the authors take care of relying on these ambitious technologies that are serving as a gate-off-jail card.
“For excessiveness [of 1.5C]It is less likely expulsion [of CO2] Jori Rosales, Professor of Climate Science and Policy at Imperial College London, warned, “will completely reverse the warming caused by today’s emissions.
‘Every part of warming’ matters
The study is filled with striking figures that highlight the magnitude of already taken climate change.
Perhaps the most notable rate is the rate at which additional heat is accumulating in the Earth’s climate system, which is known as the “Earth’s energy imbalance” in the scientific jargon.
In the last decade, this rate of heating has been more than doubled compared to the 1970s and 1980s and is an estimated 25% higher than the late 2000s and the 2010s.
“This is actually a large number, a very worrying number” in such a short period, Dr. of the UK Met Office. Matthew Palmer and Associate Professor at Bristol University said.
Greenhouse gas emissions are recently optic fundamentally, but the decrease in cooling effects from small particles called aerosols has also played a role.
This extra energy has to go somewhere. Some go to heat the ground, increase air temperature and melt the world’s snow.
But about 90% of additional heat is taken by oceans.
It does not mean Sea life But high sea level also: Hot sea water takes more space, besides excess water Glaciers melting We are adding to our seas.
The global sea-level growth rate has doubled since the 1990s, which has increased the risk of floods for millions of people living in coastal areas worldwide.
Although it all paints a foggy picture, the authors note that the rate of emissions increases as clean technologies are rolled.
He argues that “rapid and stringent” emission cuts are more important than ever.
The Paris’s goal is based on very strong scientific evidences that the effects of climate change will be much greater than the warming of 2C than 1.5C.
It is often oversightfied as the meaning below 1.5C, which is the warming “safe” and is above 1.5C “dangerous”.
In fact, every additional bit warming increases the severity of many seasons extreme, ice melt and sea-level growth.
“The lack of emissions in the next decade may seriously change the rate of warming,” Prof. Rosellaz said.
He said, “Every part of warming that we can survive, resulted in less losses and low pain of poor and weak population and less challenges for our societies, which we want to live life,” he said.