As negotiations over a new global climate finance goal move into a higher gear, divisions are sharpening over who should be required to cough up the money needed to help vulnerable countries shift to clean energy and build resilience to climate change.
For German Foreign Minister Annalena Baerbock, all “those who can” – and “in particular the strongest polluters of today” – should step up, in addition to industrialised nations that already provide funding. “Strong economies share strong responsibilities,” she said in a nod to G20 countries on Thursday at the Petersberg Climate Dialogue in Berlin, an annual gathering for the world’s top climate diplomats.
Baerbock’s views are widely shared by other rich countries, but they face stiff opposition from the upper-middle income nations – such as China and Saudi Arabia – referenced in her remarks.
Those governments argue that the 2015 Paris Agreement puts the responsibility of fulfilling climate finance obligations squarely on the shoulders of developed countries – and want to keep it that way.
Negotiators from China and Saudi Arabia spelled that out once again this week in Cartagena, Colombia, during this year’s first round of technical discussions that should pave the way to an agreement on the new collective quantified goal (NCQG) for finance at the COP29 climate summit in Azerbaijan.
“We will not entertain a renegotiation of the contributors and the recipients of NCQG,” said Chao Feng, China’s finance negotiator, on Wednesday. His words were repeated shortly afterward by Saudi Arabia’s Mohammad Ayoub.
More money for more action
The new climate finance goal is the most important decision expected to be taken at this year’s climate summit.
Experts believe an ambitious deal can play a crucial role in getting developing countries, especially the poorest ones, to commit to stronger action on emissions and adaptation as they draft their new national climate plans due in early 2025.
Without clear signals on the amount and quality of money on the table, the fear is that governments will fail to raise the bar on climate ambition and put an international goal of limiting global warming to 1.5C beyond reach.
After more than two years of discussions and with time running low, negotiators remain at odds over the most fundamental elements of the goal: how large the overall sum should be, what it needs to pay for, over how many years, and the best way to monitor the money.
At a four-day session in Cartagena ending this Friday, negotiators are attempting to iron out some of those knots and sketch the first outline of a deal.
Azerbaijan’s vision
In laying out his vision for November’s UN summit in Baku, the COP29 incoming president, Mukhtar Babayev, acknowledged in Berlin that finance is “one of the most challenging topics of climate diplomacy”, adding that there are “strong and well-founded views on all sides”.
“We are listening to all parties to understand their concerns and help them refine potential landing zones based on a shared vision of success so that we can deliver a fair and ambitious new goal,” he added.
For Marc Weissgerber, executive director of E3G’s Berlin office, Babayev’s speech outlined “important elements of a multifaceted solution to the finance challenges, but what is needed are clearly defined diplomatic pathways”.
“It needs to be seen how Azerbaijan can contribute – as a bridge-builder – to this essential challenge,” he added.
Moving past $100bn
Talks have also been strained by eroding trust following rich nations’ failure to honour a pledge made nearly 15 years ago to mobilise $100 billion a year in climate finance for developing countries by 2020. They now “look likely” to have belatedly met the goal in 2022, according to an assessment by the Organisation for Economic Co-operation and Development (OECD) based on preliminary data that is not publicly available.
Germany’s Baerbock said on Thursday that industrialised countries need to “continue to live up” to their responsibilities and jointly fulfill their $100 billion payment”. But, to get beyond that mark, she called on “those who can” to join their efforts.
Baerbock argued that the world has changed since the signing of the United Nations Framework Convention on Climate Change (UNFCCC) in 1992 when developed countries that have since provided international climate finance made up 80% of the global economy.
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Most developing nations strongly oppose any changes or reinterpretation of the UNFCCC that would lead to a reclassification of a country’s status.
E3G’s Weissgerber said the question of expanding the pool of contributors is linked with the development of ambitious climate plans. “Both sides must compromise,” he added. “The existing donor base needs to show that it can be trusted to honour its financial commitments, while at the same time, large emitters such as China and the Gulf States should send a clear signal of ambitious [emission] reduction efforts”.
Innovative sources of finance
Developing countries – excluding China – need an estimated $2.4 trillion a year to meet their climate and development needs. But, Baerbock pointed out in Berlin, those sums cannot come only out of government budgets already facing constraints.
So called “innovative sources of finance” are among the most talked-about options to unlock additional funds. Things like wealth taxes on billionaires or shipping levies have been rising up the political agenda this year, but still face either strong opposition or a lack of agreement over how the money should be used.
Much hope is also pinned on wide-ranging reforms of multilateral development banks to channel more money into climate action for the most vulnerable.
COP29’s Babayev said those institutions “have a special role” to play. But he expressed disappointment at the pace of change seen during last week’s Spring Meetings of the World Bank and International Monetary Fund. “While we heard a great deal of concern and worry, we did not yet see adequate and sufficient action,” he said. “That must change.”
The post Tensions rise over who will contribute to new climate finance goal appeared first on Climate Home News.
Tensions rise over who will contribute to new climate finance goal
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Drought and heatwaves occurring together – known as “compound” events – have “surged” across the world since the early 2000s, a new study shows.
Compound drought and heat events (CDHEs) can have devastating effects, creating the ideal conditions for intense wildfires, such as Australia’s “Black Summer” of 2019-20 where bushfires burned 24m hectares and killed 33 people.
The research, published in Science Advances, finds that the increase in CDHEs is predominantly being driven by events that start with a heatwave.
The global area affected by such “heatwave-led” compound events has more than doubled between 1980-2001 and 2002-23, the study says.
The rapid increase in these events over the last 23 years cannot be explained solely by global warming, the authors note.
Since the late 1990s, feedbacks between the land and the atmosphere have become stronger, making heatwaves more likely to trigger drought conditions, they explain.
One of the study authors tells Carbon Brief that societies must pay greater attention to compound events, which can “cause severe impacts on ecosystems, agriculture and society”.
Compound events
CDHEs are extreme weather events where drought and heatwave conditions occur simultaneously – or shortly after each other – in the same region.
These events are often triggered by large-scale weather patterns, such as “blocking” highs, which can produce “prolonged” hot and dry conditions, according to the study.
Prof Sang-Wook Yeh is one of the study authors and a professor at the Ewha Womans University in South Korea. He tells Carbon Brief:
“When heatwaves and droughts occur together, the two hazards reinforce each other through land-atmosphere interactions. This amplifies surface heating and soil moisture deficits, making compound events more intense and damaging than single hazards.”
CDHEs can begin with either a heatwave or a drought.
The sequence of these extremes is important, the study says, as they have different drivers and impacts.
For example, in a CDHE where the heatwave was the precursor, increased direct sunshine causes more moisture loss from soils and plants, leading to a drought.
Conversely, in an event where the drought was the precursor, the lack of soil moisture means that less of the sun’s energy goes into evaporation and more goes into warming the Earth’s surface. This produces favourable conditions for heatwaves.
The study shows that the majority of CDHEs globally start out as a drought.
In recent years, there has been increasing focus on these events due to the devastating impact they have on agriculture, ecosystems and public health.
In Russia in the summer of 2010, a compound drought-heatwave event – and the associated wildfires – caused the death of nearly 55,000 people, the study notes.
The record-breaking Pacific north-west “heat dome” in 2021 triggered extreme drought conditions that caused “significant declines” in wheat yields, as well as in barley, canola and fruit production in British Columbia and Alberta, Canada, says the study.
Increasing events
To assess how CDHEs are changing, the researchers use daily reanalysis data to identify droughts and heatwaves events. (Reanalysis data combines past observations with climate models to create a historical climate record.) Then, using an algorithm, they analyse how these events overlap in both time and space.
The study covers the period from 1980 to 2023 and the world’s land surface, excluding polar regions where CDHEs are rare.
The research finds that the area of land affected by CDHEs has “increased substantially” since the early 2000s.
Heatwave-led events have been the main contributor to this increase, the study says, with their spatial extent rising 110% between 1980-2001 and 2002-23, compared to a 59% increase for drought-led events.
The map below shows the global distribution of CDHEs over 1980-2023. The charts show the percentage of the land surface affected by a heatwave-led CDHE (red) or a drought-led CDHE (yellow) in a given year (left) and relative increase in each CDHE type (right).
The study finds that CDHEs have occurred most frequently in northern South America, the southern US, eastern Europe, central Africa and south Asia.
Threshold passed
The authors explain that the increase in heatwave-led CDHEs is related to rising global temperatures, but that this does not tell the whole story.
In the earlier 22-year period of 1980-2001, the study finds that the spatial extent of heatwave-led CDHEs rises by 1.6% per 1C of global temperature rise. For the more-recent period of 2022-23, this increases “nearly eightfold” to 13.1%.
The change suggests that the rapid increase in the heatwave-led CDHEs occurred after the global average temperature “surpasse[d] a certain temperature threshold”, the paper says.
This threshold is an absolute global average temperature of 14.3C, the authors estimate (based on an 11-year average), which the world passed around the year 2000.
Investigating the recent surge in heatwave-leading CDHEs further, the researchers find a “regime shift” in land-atmosphere dynamics “toward a persistently intensified state after the late 1990s”.
In other words, the way that drier soils drive higher surface temperatures, and vice versa, is becoming stronger, resulting in more heatwave-led compound events.
Daily data
The research has some advantages over other previous studies, Yeh says. For instance, the new work uses daily estimations of CDHEs, compared to monthly data used in past research. This is “important for capturing the detailed occurrence” of these events, says Yeh.
He adds that another advantage of their study is that it distinguishes the sequence of droughts and heatwaves, which allows them to “better understand the differences” in the characteristics of CDHEs.
Dr Meryem Tanarhte is a climate scientist at the University Hassan II in Morocco, and Dr Ruth Cerezo Mota is a climatologist and a researcher at the National Autonomous University of Mexico. Both scientists, who were not involved in the study, agree that the daily estimations give a clearer picture of how CDHEs are changing.
Cerezo-Mota adds that another major contribution of the study is its global focus. She tells Carbon Brief that in some regions, such as Mexico and Africa, there is a lack of studies on CDHEs:
“Not because the events do not occur, but perhaps because [these regions] do not have all the data or the expertise to do so.”
However, she notes that the reanalysis data used by the study does have limitations with how it represents rainfall in some parts of the world.
Compound impacts
The study notes that if CDHEs continue to intensify – particularly events where heatwaves are the precursors – they could drive declining crop productivity, increased wildfire frequency and severe public health crises.
These impacts could be “much more rapid and severe as global warming continues”, Yeh tells Carbon Brief.
Tanarhte notes that these events can be forecasted up to 10 days ahead in many regions. Furthermore, she says, the strongest impacts can be prevented “through preparedness and adaptation”, including through “water management for agriculture, heatwave mitigation measures and wildfire mitigation”.
The study recommends reassessing current risk management strategies for these compound events. It also suggests incorporating the sequences of drought and heatwaves into compound event analysis frameworks “to enhance climate risk management”.
Cerezo-Mota says that it is clear that the world needs to be prepared for the increased occurrence of these events. She tells Carbon Brief:
“These [risk assessments and strategies] need to be carried out at the local level to understand the complexities of each region.”
The post Heatwaves driving recent ‘surge’ in compound drought and heat extremes appeared first on Carbon Brief.
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