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As Planet Heads Toward 2.7°C Rise, Tracker Warns Global Climate Action Has 'Flatlined'
"As the world edges closer to these dangerous climate thresholds, the need for immediate, stronger action to reverse this trend becomes ever more urgent," one report author said.
Nov 14, 2024
Existing policies and actions taken by world governments put the world on track for a median estimate of 2.7°C of warming by the end of the century, Climate Action Tracker revealed on Thursday at the United Nations Climate Change Conference in Baku, Azerbaijan.
If global leaders make no further effort to reduce emissions, temperatures have a 33% chance of spiking past 3°C of warming by 2100 and a 10% chance of overtaking 3.6°C, which report lead author Sofia Gonzales-Zuniga called "an absolutely catastrophic level of warming."
"The combined global effect of government action on climate change has flatlined over the last three years, underscoring a critical disconnect between the reality of climate change and the lack of urgency on policies to cut emissions," Climate Action Tracker (CAT) announced during its annual update at COP29.
The report attributes the lack of progress to the fact that few governments announced new climate targets in 2024 while they continued to facilitate the increased burning of fossil fuels, despite the pledge made at last year's COP28 to transition away from oil, gas, and coal.
It comes on the heels of a series of reports released ahead of or during COP29 that paint a consistent picture of escalating greenhouse gas emissions and climate extremes paired with government inaction. The U.N. Emissions Gap Report, published in late October, projected that the world was on track for 3.1°C of warming based on current policies. The World Meteorological Organization's (WMO) Greenhouse Gas Bulletin, also published last month, found that all three main greenhouse gases reached record atmospheric levels in 2023.
"The impacts of climate change are becoming increasingly dramatic, yet we still see no sign that burning of fossil fuels has peaked."
2023 was also the hottest year on record, but the WMO's State of the Climate 2024 update for COP29 warned that 2024 was likely to surpass it. Further, global temperatures from January to September averaged 1.54°C above preindustrial levels, temporarily surpassing the 1.5°C warming limit enshrined in the Paris agreement.
"The record-breaking rainfall and flooding, rapidly intensifying tropical cyclones, deadly heat, relentless drought, and raging wildfires that we have seen in different parts of the world this year are unfortunately our new reality and a foretaste of our future," WMO Secretary-General Celeste Saulo said in a statement. "We urgently need to reduce greenhouse gas emissions and strengthen our monitoring and understanding of our changing climate."
Yet this is precisely what is not happening: Another study from the Global Carbon Budget released on Wednesday projected that carbon dioxide emissions from the burning of fossil fuels would increase by 0.8% from 2023 to reach 37.4 billion metric tons of CO2 equivalent, a record high.
"The impacts of climate change are becoming increasingly dramatic, yet we still see no sign that burning of fossil fuels has peaked," study leader Pierre Friedlingstein, a professor at Exeter's Global Systems Institute, said in a statement. "Time is running out to meet the Paris agreement goals—and world leaders meeting at COP29 must bring about rapid and deep cuts to fossil fuel emissions to give us a chance of staying well below 2°C warming above preindustrial levels."
The Climate Action Tracker report adds to these findings, concluding that while renewables have surged in recent years, continued reliance on fossil fuels have undermined that progress. While clean energy like wind and solar and clean transit like electric vehicles now receive double the investments of oil, gas, and coal, funding for the latter still ballooned by a factor of four between 2021 and 2022 while fossil fuel subsidies are at a record high.
"We are clearly failing to bend the curve," Gonzales-Zuniga said. "As the world edges closer to these dangerous climate thresholds, the need for immediate, stronger action to reverse this trend becomes ever more urgent."
CAT called on the world's largest emitters to lead the way. It recommended 1.5°C-aligned 2035 targets for the world's seven biggest climate polluters—China, the U.S., India, the E.U., Indonesia, Japan, and Australia—as well as the "troika" countries of Brazil, UAE, and Azerbaijan. To bring its policies in line with the 1.5°C goal, the U.S. would have to cut its total emissions (including from land-use and forests) by 65% of 2005 levels by 2030 and 80% by 2035.
This is unlikely to happen under the administration of President-elect Donald Trump, who has promised to "drill, baby, drill" as soon as he retakes the White House in January. CAT concluded that Trump's promised energy policies would raise its projection for 2100 temperatures based on current actions by 0.04°C. However, if the U.S. permanently axes its net-zero goals, and if other countries decide to follow Trump's lead, that temperature increase could be higher.
"Clearly, we won't know the full impact of the U.S. elections until President-elect Trump takes office, but there is a clean energy momentum in the U.S. now that will be difficult to stop," Bill Hare, the CEO of Climate Analytics, said in a statement. "While the Trump administration will undoubtedly do its best to throw a wrecking ball into climate action, the clean energy momentum created by President [Joe] Biden, being actioned across the country, is likely to continue at significant scale."
"The key issue is whether countries stick together and continue to move forward with action," Hare concluded. "A Trump rollback of U.S. policies, as damaging as it is, can be overcome."
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'Words Fail': WMO Report Finds CO2 Accumulating at Record Levels
"The report is very clear: This crisis is driven by the profit-driven production of coal, oil, and gas," one climate advocacy group said.
Oct 29, 2024
Climate-heating carbon dioxide is accumulating in the atmosphere more rapidly than at any time since humans evolved.
That's just one of the alarming findings from the World Meteorological Organization's (WMO) Greenhouse Gas Bulletin, released Monday, which found that all three main greenhouse gases reached record atmospheric levels in 2023.
"Words fail," the group Climate Defiance wrote on social media in response to the news.
"Greenhouse gas pollution at these levels will guarantee a human and economic trainwreck for every country, without exception."
Atmospheric concentrations of CO2 hit 420.0 parts per million (ppm) in 2023, an increase of 151% since the Industrial Revolution and a level not seen since 3 to 5 million years ago, when global temperatures was 2-3°C hotter than today and sea levels were 10-20 meters higher. Methane hit 1,934 parts per billion (ppb)—or 265% higher than preindustrial levels—and nitrous oxide rose to 336.9 ppb, 125% of pre-1750 levels.
"Another year. Another record," WMO Secretary-General Celeste Saulo said in a statement. "This should set alarm bells ringing among decision-makers. We are clearly off track to meet the Paris agreement goal of limiting global warming to well below 2°C and aiming for 1.5°C above preindustrial levels. These are more than just statistics. Every part per million and every fraction of a degree temperature increase has a real impact on our lives and our planet."
Carbon dioxide rose by 2.3 ppm in 2023. While that was higher than the 2022 increase, it was lower than in 2019-2021. However, on a longer-term scale, atmospheric CO2 rose by 11.4% in the past 10 years, a record increase during human existence. The burning of fossil fuels is the primary cause of this increase.
"The report is very clear: This crisis is driven by the profit-driven production of coal, oil, and gas," Climate Defiance wrote. "Because of these fuels, planet-heating pollution levels have gone up by 51.5%—since 1990 alone."
However, 2023's CO2 increases were also caused by forest fires—including a record-breaking fire season in Canada—as well as a possible reduction in the ability of Earth's natural carbon sinks to absorb the greenhouse gas. While vegetation-related CO2 emissions are partially influenced by natural cycles—El Niño years like 2023 are drier and tend to see more fires—they could also be a sign of dangerous feedback loops.
"The Bulletin warns that we face a potential vicious cycle," said WMO Deputy Secretary-General Ko Barrett. "Natural climate variability plays a big role in carbon cycle. But in the near future, climate change itself could cause ecosystems to become larger sources of greenhouse gases."
"Wildfires could release more carbon emissions into the atmosphere, whilst the warmer ocean might absorb less CO2. Consequently, more CO2 could stay in the atmosphere to accelerate global warming," Barrett explained. "These climate feedbacks are critical concerns to human society."
The report also said that even if emissions were to cease rapidly, the amount of carbon dioxide in the atmosphere means that the current rise in temperatures would linger for decades.
The rise in methane is also a concern. While it increased less in 2023 than in 2022, it hit a record-high increase over the last five years, and some of this could be due to climate feedback loops such as the melting of the Arctic permafrost or greater emissions from wetlands and other natural ecosystems as temperatures rise.
As Climate Defiance noted, WMO's graph showing the rise of methane appears to move from a linear to an exponential progression as it approaches 2023.
"It could literally be the graph that defines human history," Climate Defiance wrote.
"The most infuriating part is it didn't have to be this way," the group continued. "Had we started taking action in the 1970s—when the threat became clear—we could have easily stopped the crisis by now. Instead we gorged ourselves on SUVs and McMansions as politicians dithered and delayed."
The Greenhouse Gas Bulletin is one of several annual reports released ahead of United Nations climate conferences; this year, world leaders are scheduled to gather in Baku, Azerbaijan starting on November 11 for COP29. The Bulletin comes alongside other reports finding that national policies are not on track to reduce emissions in line with the Paris agreement temperature goals.
Last week, the U.N. Emissions Gap Report concluded that current policies put the world on course for as much as 3.1°C of warming. Also on Monday, the U.N. Framework Convention on Climate Change (UNFCCC) released its 2024 Nationally Determined Contributions (NDC) Synthesis Report, in which it assesses the commitments that different nations have made to reduce emissions under the Paris agreement.
It found that current NDCs would cut greenhouse gas emissions by 2.6% of 2019 levels by 2030, a far cry from the 43% needed to have a chance at limiting global heating to 1.5°C by 2100 and preventing ever-worsening climate impacts.
"Greenhouse gas pollution at these levels will guarantee a human and economic trainwreck for every country, without exception," U.N. Climate Change Executive Secretary Simon Stiell said in a statement of the current 2030 trajectory.
"Today's NDC Synthesis Report must be a turning point, ending the era of inadequacy and sparking a new age of acceleration, with much bolder new national climate plans from every country due next year," Stiell said. "The report's findings are stark but not surprising—current national climate plans fall miles short of what's needed to stop global heating from crippling every economy, and wrecking billions of lives and livelihoods across every country."
"By contrast," Stiell continued, "much bolder new national climate plans can not only avert climate chaos—done well, they can be transformational for people and prosperity in every nation."
Climate Defiance also called for renewed ambition.
"It is not too late," the group said. "There is still a small window of opportunity. Together, we will unite to stop our own demise. We will rise. We will defy all odds. There is no alternative."
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Global Water Woes the 'Canary in the Coal Mine' for Climate Calamity: WMO
"As a result of rising temperatures, the hydrological cycle has accelerated. It has also become more erratic and unpredictable, and we are facing growing problems of either too much or too little water," the WMO lead said.
Oct 07, 2024
The climate crisis is destabilizing the world's water cycle, depriving millions of people of the freshwater resources they need while inundating others with deadly and catastrophic floods.
That's the picture painted by the World Meteorological Organization (WMO)'s third-ever State of Global Water Resources report, released on Monday, which found that 2023 was the driest year for the world's rivers in more than three decades.
"Water is the canary in the coalmine of climate change," WMO Secretary-General Celeste Saulo said in a statement. "We receive distress signals in the form of increasingly extreme rainfall, floods, and droughts which wreak a heavy toll on lives, ecosystems, and economies."
A total of 3.6 billion people struggle to access sufficient water for at least one month per year, according to U.N. Water, and this number is projected to swell to over 5 billion by 2050. In 2023, which was also the hottest year on record, river catchment areas around the world were at their driest in 33 years. As in the two years before, more than half of all catchment areas saw abnormal conditions, with most of them seeing below-average water flow.
Especially hard-hit river systems included the Mississippi and Amazon basins, which shrank to record-low water levels, as well as riparian systems in much of Northern, Central, and South America. Argentina's GDP shrank by 3% due to drought, the WMO found. Meanwhile, the report showed how major river systems in Asia—the Ganges, Brahmaputra, and Mekong river basins—were drier than usual across almost all of their reach.
Another threat to freshwater access is the melting of glaciers. In 2023, the world's glaciers lost their greatest amount of mass in 50 years at over 600 metric gigatons of water. This ice loss was primarily driven by melting in western North America and Europe's Alps. Switzerland's glaciers shrank by 10% in two years.
"It was either too dry or too wet—and neither is encouraging."
"The worldwide loss of glacier volume, equivalent to 600 gigatons of water according to the latest WMO report, is alarming," said report contributor Robert Reinecke of Johannes Gutenberg University Mainz. "It is the greatest loss we have witnessed in the past five decades."
Saulo added: "Melting ice and glaciers threaten long-term water security for many millions of people. And yet we are not taking the necessary urgent action."
While 2023 saw drought and ice melt, its high temperatures combined with the shift from La Niña to El Niño halfway through and the positive phase of the Indian Ocean Dipole also fueled extreme precipitation events.
"It was either too dry or too wet—and neither is encouraging," Reinecke said. "We have to expect both extremes more frequently as global temperatures continue to rise."
Africa saw the deadliest flooding, with Storm Daniel causing a dam collapse in Libya that killed more than 11,000 people in September 2023. Also hard hit were the Greater Horn of Africa, Congo, Rwanda, Mozambique, and Malawi.
"As a result of rising temperatures, the hydrological cycle has accelerated," Saulo said. "It has also become more erratic and unpredictable, and we are facing growing problems of either too much or too little water. A warmer atmosphere holds more moisture which is conducive to heavy rainfall. More rapid evaporation and drying of soils worsen drought conditions."
To respond to these shifting conditions, WMO urged more monitoring and data sharing and said that the Early Warnings for All initiative must cover water-related hazards.
"Far too little is known about the true state of the world's freshwater resources," Saulo said. "We cannot manage what we do not measure. This report seeks to contribute to improved monitoring, data-sharing, cross-border collaboration, and assessments."
In response to the report, water advocate Mina Guli also called for increased conservation efforts.
"To tackle this crisis, we must invest more resources into protecting and restoring our freshwater ecosystems. Healthy rivers, lakes, and wetlands do so much more than provide water—they are our best defense against the worsening impacts of climate change and play a crucial role in ensuring food and water security while also reversing nature loss," Guli wrote on social media.
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