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greenpeace international
38 Former World Leaders Have a Message: Tax Fossil Giants to Fight Climate Crisis
“Pressure is mounting on today’s politicians to hold those most responsible for the climate crisis to account," said one Greenpeace campaigner.
Sep 24, 2025
Thirty-eight former world leaders on Wednesday used the occasion of the United Nations General Assembly this week in New York—as well as other global summits on the horizon—to demand a new global framework for steeper taxes on the world's wealthiest and most powerful fossil fuel giants to pay for an urgent transition away from dirty energy sources toward a healthier planet and more equitable economy.
Under the auspices of the nonpartisan Club de Madrid, the world’s largest forum of former democratically-elected presidents and prime ministers, an open letter—signed by Carlos Alvarado, former President of Costa Rica; Mari Kiviniemi, former Prime Minister of Finland; Chandrika Kumaratunga, former President of Sri Lanka; former UN Secretary General Ban-Ki Moon; and dozens of others—calls the climate crisis "a defining challenge of our time" and urges current leaders to "place the question of fair taxation of fossil fuel company profits firmly on national and international agendas" before it is too late.
"With wealthier countries leading by example," say the leaders, increased taxation of the world's coal, oil, and gas giants coupled with a redirection of taxpayer subsidies away from the fossil fuel sector and toward a just renewable energy transition "could be transformative, enabling a faster and fairer global transition and strengthening public trust that climate action can deliver tangible benefits for all."
"Taxing fossil fuel profits is not only fair—it is also essential to ease the economic burden of the climate crisis, felt by ordinary people through higher food prices, lost working days, pressure on energy bills and higher home insurance premiums.”
Citing the need for global cooperation and ambition to address the warming planet and ongoing climate breakdown, the open letter states:
It is time to consider innovative solutions that can simultaneously establish a clear incentive for companies to shift investment to renewable energy as quickly as possible, while mobilising significant funds to address climate damages and advance both equality and equity. Today, we call on you to consider permanent polluter profit taxes applied to high-emitting industries, designed to ensure contributions come from those with the greatest capacity to pay rather than from ordinary consumers of fossil fuels. With wealthier countries leading by example, these taxes should place the primary responsibility on those with the greatest capacity, not on middle- and low-income communities.
The former world leaders acknowledge the strain governments feel about generating the necessary revenue, estimated at approximately $6.5 trillion per year by 2030, to fund the rapid transition scientists and experts say is necessary to avoid the worst future impacts of an increasingly hotter planet. However, they argue that the polluting companies that have profited most from the fossil fuel era are best positioned to foot the bill, and that the cost of action is far less than the cost of fixing the damage that future climate change will cause if left unaddressed.
"During the oil and gas price crisis in 2022, many governments implemented windfall taxes. We must consider making such approaches permanent," the letter argues. "A polluter profits tax modestly applied to normal returns and significantly higher on windfall gains could, if applied just to oil, coal, and gas companies, generate up to $400 billion in its first year."
Rebecca Newsom, Greenpeace International's global political lead for its "Stop Drilling Start Paying" campaign, said the letter represents what real leadership looks like and that forcing fossil fuel giants to pay higher taxes to help solve the planetary crisis their insatiable greed has spurred has never been more popular with the people worldwide.
"This is a powerful call from former world leaders to make oil and gas corporations pay their fair share for the destruction they have caused," said Newsom.
Noting recent survey data, Newsom said 8 out of 10 people around the world now "support taxing these polluters for climate damages—the backing of former political leaders adds more weight to this urgent demand."
“Pressure is mounting on today’s politicians to hold those most responsible for the climate crisis to account," she said. "Taxing fossil fuel profits is not only fair—it is also essential to ease the economic burden of the climate crisis, felt by ordinary people through higher food prices, lost working days, pressure on energy bills and higher home insurance premiums.”
With the upcoming G20 summit in South Africa and the UN Global Tax Convention in Kenya, both scheduled for November, the former world leaders say the moment is right for global leaders to finally show urgency on the issue.
"The world has the tools, the knowledge, and the resources to act," their letter concludes. "What is needed now is the political courage to ensure that those with the greatest capacity contribute their fair share. This will not only advance climate justice but also strengthen the foundations of a more stable, resilient, and prosperous global economy."
Greenpeace's Newsom said the message is clear. "Governments must find the courage to decisively tax oil and gas corporations and redirect those funds towards a just transition away from fossil fuels and a safe future in the face of a climate crisis.”
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International Survey Shows 81% Back Forcing Big Oil to Pay for Climate Destruction
"People are no longer buying the lies. They see the fingerprints of fossil fuel giants all over the storms, floods, droughts, and wildfires devastating their lives, and they want accountability," said the head of one green group.
Jun 19, 2025
Large majorities of people around the world support both taxing oil, gas, and coal companies for the environmental damage made worse by fossil fuels and using higher taxes on polluters to support communities most impacted by the climate crisis, according to the results of an international survey released Thursday.
The study, which was jointly commissioned by Greenpeace International and Oxfam International, surveyed roughly 1,200 people in each of these 13 countries: Brazil, Canada, France, Germany, India, Italy, Kenya, Mexico, Philippines, South Africa, Spain, United Kingdom, and the United States. The research was conducted by the data company Dynata, and field work was done between May 9-28, 2025. Greenpeace noted that, taken together, the countries represent close to 50% of the globe's population.
The results of the survey showed a whopping 81% of those surveyed would support taxes fossil fuel companies to pay for damages wrought by "fossil-fuel driven climate disasters."
"These survey results send a clear message: people are no longer buying the lies. They see the fingerprints of fossil fuel giants all over the storms, floods, droughts, and wildfires devastating their lives, and they want accountability," said Mads Christensen, the executive director of Greenpeace International.
"It's only fair that those who caused the crisis should pay for the damage, not those suffering from it," he added.
The study findings come as individual states in the U.S. show a growing interest in passing legislation to force fossil fuel companies to help pay for the recovery cost of climate-related disasters. Vermont became the first state in the country to pass a climate "Superfund" law in 2024, and New York followed suit later that year. Several other states are considering such legislation, according to March reporting from Stateline.
The survey also found that 86% of respondents support channeling revenues "from higher taxes on oil and gas corporations towards communities most impacted by the climate crisis."
Climate campaigners have long sought international financial arrangement that would see rich countries transfer money to developing countries in order to help the latter cut their emissions and adapt to climate change. Last year's United Nations climate negotiations ended with a pledge by donor countries to set at least $300 billion annually for that purpose. That amount was criticized for being inadequate.
The study was launched Thursday at the UN Climate Meetings in Bonn, where government representatives are discussing climate policies, including ways to raise at least $ 1.3 trillion annually for climate mitigation, adaptation, and recovery by 2035 across the Global South.
According to Amitabh Behar, executive director of Oxfam International, "a new tax on polluting industries could provide immediate and significant support to climate-vulnerable countries, and finally incentivize investment in renewables and a just transition."
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The Deep Sea Is Not for Sale—the ISA Must Reject Corporate Pressure
The multilateral body, recently decried for its seemingly pro-industry stance, should reorient itself back toward its most weighty purpose: protecting the seabed for the benefit of humankind as a whole.
Apr 03, 2025
The deep sea, Earth’s last untouched ecological frontier, is an ancient, living system that regulates our climate, stores carbon, and hosts breathtaking biodiversity. It is the common heritage of all of us. It is not a resource bank for speculative profits. And it is not for sale.
Yet, the deep-sea mining industry, led by The Metals Company (TMC), is determined to change that. The company has threatened to submit the world’s first commercial mining application in June 2025—with or without regulations in place. And now, in a desperate new move, it says it will bypass the International Seabed Authority (ISA) altogether and seek mining permits under the United States’ 1980 Deep Seabed Hard Mineral Resources Act (DSHRMA).
TMC’s reckless and dangerous attempt at a deep-sea neocolonial land grab came on the penultimate day of the ISA’s 30th Council session, ahead of a discussion of its mining application and a Fourth Quarter 2024 Earnings Update call. As it became clear that it would be forced to leave the meeting empty-handed, when nations rejected its wish to secure a process to have its commercial application approved, the company doubled down. Its tactics echo those of the oil and gas industry—manufacturing urgency and demanding fast-tracked approval.
The truth is this: deep-sea mining is a “cause in search of a purpose.” Greed, driven by speculative profit rather than public need, is driving the push for the launch of this destructive industry.
Member states and the ISA’s newly appointed Secretary-General Leticia Carvalho swiftly condemned it as a blatant attempt to sidestep international law and undermine the multilateral governance of the global commons. This pressure from TMC and other industry players forces a defining question for the ISA: Will it uphold its mandate to protect the seabed for the benefit of all humankind, or will it cave to corporate pressure?
Contrary to industry complaints, the careful ISA deliberations that have taken place over the years are safeguards to ensure that crucial unresolved questions around environmental risk, equity, science, and underwater cultural heritage are addressed. Notably, in this session, the African Group spotlighted long-ignored issues of how benefits will be shared and the socioeconomic impacts of seabed mining on terrestrial mining countries. These questions cut to the core of justice and global balance, and they demand answers before any approval can be considered.
Outside the meeting rooms, public opposition is mounting. Greenpeace International and Pacific allies brought the voices of over 11,000 people from 91 countries directly to the ISA urging deep-sea conservation. Thirty-two countries now support a moratorium, ban, or precautionary pause on deep-sea mining. The United Nations Environment Program has echoed these calls, emphasizing the need for robust, independent science before any decisions are made. And legal scholars have dismissed recent threats of lawsuits from contractors as baseless.
The industry is increasingly being recognized for what it is—a false solution. Deep-sea mining proponents claim that mining the seabed would reduce pressure on land-based ecosystems. However, research suggests deep-sea mining is more likely to add to global extraction than replace it. Meanwhile, emerging battery technologies, recycling breakthroughs, and circular economy models are rapidly reducing any purported demand for virgin metals from the seafloor.
With its original green-washing narrative unraveling, TMC and others are now stoking geopolitical tensions, positioning themselves as a strategic necessity for national security. However, the cracks are showing. For instance, TMC recently surrendered a third of its mining contract area in the Clarion-Clipperton Zone (CCZ), after ending a services agreement with its Kiribati-sponsored partner, Marawa. The industry faces failed mining tests, equipment and vessel delays, no finalized regulations, and growing investor skepticism over the industry’s environmental and financial viability.
The truth is this: deep-sea mining is a “cause in search of a purpose.” Greed, driven by speculative profit rather than public need, is driving the push for the launch of this destructive industry.
And the risks are profound. A recent study published in Nature found reduced biodiversity and ecosystem degradation more than 40 years after a small-scale mining test. Recovery of these nodules, which take millions of years to form, in human timescales is impossible.
But there is still hope. The recent appointment of Leticia Carvalho, a scientist who is calling for transparency, inclusivity, sustainability, environmental protection, and science-driven governance, as the secretary-general of the ISA presents a real opportunity. The multilateral body, recently decried for its seemingly pro-industry stance, should seize it and reorient itself back toward its most weighty purpose: protecting the seabed for the benefit of humankind as a whole.
The ISA’s dual mandate under the United Nations Convention on the Law of the Sea (UNCLOS)—to both manage the mineral resources of the seabed and ensure the effective protection of the marine environment—has always been fraught with tension. But in this era of climate chaos, biodiversity loss, and ocean degradation, it is precaution and protection that must prevail. The health of the ocean, the rights of future generations, and the principle of the common heritage of humankind demand it.
As the world heads toward the U.N. ocean conference in Nice, France this June—just a few weeks before the July ISA Assembly—leaders will have a crucial chance to show where they stand. They must reject TMC’s and the rest of the deep-sea mining industry’s attempts to force the ocean floor to be opened for exploitation with no assurance of marine protection. They must not allow themselves to be bullied into the adoption of a weak Mining Code built on industry-favored timelines. They must honor their roles as stewards—not sellers—of the international seabed.
The deep sea is not for sale—and the ISA still has a chance to prove it.
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