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In a school in South Africa, a group of students stare at a row of small plants growing in a greenhouse. Each one is involved in the lesson, caring for the growing crops.

But this is no ordinary classroom setting. These children are learning about aquaponics, a method of growing plants and fish in a mutually beneficial water system. This ancient technique of food production is now being taught to millions of schoolchildren after being introduced by the South African government seven years ago.

Laerskool Kempton Park on the edge of Johannesburg was one of the first schools to introduce the subject with the aim of improving food security. This is a serious challenge in a country where an estimated 19.7 million people, or around 30% of the population, experience moderate levels of food insecurity, meaning that they struggle to afford enough food for a healthy, balanced diet.

Bringing the farm to school

Aquaponics is a way of supporting communities to access food in a sustainable and efficient way. The solution is simple: fish waste is turned into available nutrients by bacteria in the water. Plants absorb these nutrients and the cleaned water is returned to the fish tank.

There are multiple benefits to this approach. The system doesn’t require chemical fertilisers, soil or large tracts of land. It is also highly efficient, with recirculated water being used over and over again. This is an important feature in areas of South Africa that experience drought or unpredictable weather.

Agricultural subsidies can be repurposed for a just and sustainable rural transition

Aquaponics can offer a range of benefits depending on the local context. In South Africa, townships in major cities such as Johannesburg don’t always have the space to produce their own food, while in other places, such as the Northern Cape, extreme weather is making agriculture much harder.

Learners participating in a practical aquaponics lesson in Kempton Park. Image: INMED

Learners participating in a practical aquaponics lesson in Kempton Park. Image: INMED

Schoolchildren observing fish grown in an aquaponics system. Image: INMED

Schoolchildren observing fish grown in an aquaponics system. Image: INMED

At Laerskool Kempton Park, the students have benefited from the innovative work of INMED, a non-profit organisation that supports vulnerable children and families in the country.

INMED has trained hundreds of teachers and over 7,000 children on the benefits of aquaponics. With the help of funding from the Adaptation Fund through the UNDP-Adaptation Fund Climate Innovation Accelerator (AFCIA), the organisation was able to develop its own aquaponics system to be used in schools.

Scaling up the solution

INMED describes its prototype as a ‘plug and play’ system, designed to be modular and easy to install and manage. The system includes a 2,000-litre fish tank powered by a solar pump to circulate water. The design is simple with a view that it could be easily replicated across different school settings.

Unathi Sihlahla, director at INMED South Africa, told Climate Home News that “aquaponics speaks to a number of challenges… including limited access to nutritious food, high youth unemployment, water scarcity, and in many cases, poor or no access to arable land.”

Giving nature breathing room builds climate resilience

INMED’s prototype allows communities to work around these problems as it doesn’t need soil and uses far less water than conventional agriculture.

“We’ve seen schools that previously had no food production now able to grow vegetables consistently, while also producing fish. That food often goes straight into school meals or supports vulnerable households nearby,” Sihlahla added. The project estimates that over 5,300 kilogrammes of food have been harvested in each quarter the system has been operating.

As aquaponics is now part of the school curriculum, many educational departments across South Africa have been looking at ways to teach the subject. INMED’s innovative design could provide a handy solution. The organisation has already started to roll it out across different provinces and a new collaboration with the Eastern Cape Provincial Department of Education is in the works. INMED is also scaling the ‘plug and play’ model in Tanzania.

Plant inspection at one of INMED’s ‘plug and play’ aquaponics prototypes. Image: INMED

Plant inspection at one of INMED’s ‘plug and play’ aquaponics prototypes. Image: INMED

Giving youth a sense of pride

For educators, teaching schoolchildren new agricultural skills is not only about improving food security, but also about creating the next generation of farmers. This group will need to grow food with the increased threat of extreme weather events and having knowledge of alternative methods, such as aquaponics, could be key.

“Agriculture is not seen as something young people want to go into, but when they are exposed to something like aquaponics, it feels modern and relevant,” said Sihlahla, adding that some students have started their own projects at home or are looking to continue studying the method.

“There’s also a sense of pride. Producing food that supports your school or community changes how young people see themselves and their role.”

Engaging the next generation

The Adaptation Fund’s support for young people extends beyond South Africa. Several other related projects aim to equip youth with practical skills for climate adaptation.

In Costa Rica, a $10-million project implemented by private foundation Fundecooperación included several creative youth-focused programmes in climate-vulnerable areas. It trained young people in coral reef restoration and farming techniques, involved high school students in community water resource monitoring and management, shared knowledge on adaptation through a theatre tour in schools, and created an art mural competition using AI.

Extreme heat is rewriting food security. The best fixes are already within reach

In Lesotho, meanwhile, climate education is being integrated into the school curriculum through climate-smart agriculture materials and teacher training rolled out across primary and secondary schools. This is equipping students from an early age with practical, locally relevant knowledge to build resilience.

“Children and young people are among the most vulnerable to climate change,” said Mikko Ollikainen, head of the Adaptation Fund. “These programmes are not only training young people in adaptation but empowering them.”

Adam Wentworth is a freelance writer based in Brighton, UK.

The post Young South Africans take up sustainable agriculture for food security appeared first on Climate Home News.

Young South Africans take up sustainable agriculture for food security

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Climate Change

New Zealand moves to protect business with law curtailing climate litigation

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New Zealand’s parliament has adopted a controversial new law blocking a whole avenue of climate litigation and shutting down its most advanced corporate lawsuit, which has been blamed by the government for shaking business confidence and investment.

The Climate Change Response (Tort Liability) Amendment Bill, expected to take effect in the coming days after it is formally signed by the Governor-General, prevents all current and future civil claims for climate loss or harm under tort law.

Justice minister Paul Goldsmith said last week that the aim was to give businesses “certainty around their climate change obligations”, noting it would not alter the government’s responsibilities under the Climate Change Response Act 2002 nor business obligations under the Emissions Trading Scheme.

“Our response to climate change is best managed by the Government at a national level and not through piece-meal litigation in the courts,” he added in a statement.

Such litigation, he said, “risks developing a new regime that contradicts the framework Parliament has already enacted” to tackle climate change.

    Goldsmith singled out a key domestic climate lawsuit brought by Northland iwi leader and activist Mike Smith against six big companies: dairy firms Fonterra and Dairy Holdings, energy firms Genesis Energy and Z Energy, New Zealand Steel and coal mining firm BT Mining. A seventh original defendant, Channel Infrastructure, was dropped after it permanently decommissioned its Marsden Point oil refinery.

    Smith argued that these companies had caused him harm under public nuisance and negligence law, as well as a third breach of a duty to cease contributing to climate change that has yet to be tested domestically. He did not seek financial compensation, instead asking for the companies to immediately stop emitting or contributing to net greenhouse gas emissions.

    In one of the most advanced corporate climate accountability lawsuits in the world, a trial had been scheduled for April 2027 after the Supreme Court unanimously allowed the case to continue.

    Corporate lobbying in the shadows

    Smith described the passing of the bill as “deeply concerning”, particularly as it coincided with the Supreme Court hearing another of his climate lawsuits. In that case, Smith v Attorney-General, he argues that the government’s response to climate change and its impacts on Māori communities in particular breaches rights to life and culture.

    “That timing raises profound questions about the separation of powers and the rule of law,” said Smith. “Whatever one’s view of the merits of these cases, it is deeply troubling when parliament intervenes to remove a legal pathway while the courts are actively considering fundamental questions about climate responsibility, rights and the crown’s obligations.”

    The bill – which says that no person (including the government) can be found liable in tort for emissions-related climate change effects – followed major lobbying efforts by the companies defending themselves in Smith’s lawsuit. They outlined a proposed legal amendment in a briefing note to the government in 2024.

    The centre-right government has been fiercely criticised over its lack of transparency in relation to this lobbying activity. The national ombudsman recently found that the Prime Minister’s Office effectively withheld information requested by the Environmental Law Initiative about meetings, discussions and conversations regarding Smith’s case.

    Green groups fail to stop bill

    The bill sparked huge concern among environmental campaigners in New Zealand and elsewhere. Greenpeace Aotearoa called it a “shocking abuse of executive power” and the vast majority of submissions to a parliamentary inquiry said it should be rejected.

    But in the end, it was adopted with little resistance, moving relatively smoothly through parliament, passing its third reading by 67 votes to 53. Sam Bookman, climate law lecturer at Melbourne Law School, told Climate Home News he was not surprised by this, given that the coalition government has a secure majority.

    A complaint has been made to the UN special rapporteur on climate change and human rights by Smith, the National Iwi Chairs Forum Pou Tikanga and youth coalition Climate Clinic Aotearoa over what they see as the government’s heavy-handed approach. Smith is also challenging the new law in yet another lawsuit.

    “Pathetic”: New Zealand plans to barely cut emissions between 2030 and 2035

    Bookman thinks it “very unlikely” that such a challenge will succeed, noting that New Zealand’s constitution is firmly anchored in parliamentary sovereignty.

    But the expert in climate law does not see the bill as the end of legal action in the country, noting that New Zealand has a “sophisticated climate litigation landscape with a growing number of specialist and experienced lawyers and NGOs”.

    The country is also approaching its next general election in November, and some opposition parties have pledged to restore access to the courts if elected.

    Amanda Larsson, global project lead on agriculture for Greenpeace International, said: “This law deserves to be tested, and I strongly encourage the international climate litigation community to unite and help defend New Zealanders’ fundamental right to hold polluters accountable before this becomes a global blueprint.”

    Copycat legislation on the rise

    New Zealand’s move is part of a small but growing legislative effort to shut down climate litigation around the world.

    In the US, Republican politicians introduced legislation in the House and Senate in April that would shield fossil fuel firms from climate liability lawsuits. Similar laws have already been passed at state level in Tennessee, Utah, Iowa and Louisiana.

    The German state of Bavaria has put forward a similar proposal to the Federal Council, aiming to block private climate claims as well as the recognition and enforcement of foreign judgments imposing such liability. There are also proposals to limit available remedies and actions in the Netherlands and Belgium.

    UN General Assembly backs “climate obligations” set by world’s top court

    Bookman said he expects more efforts to counter climate damages litigation and advised plaintiffs to think about how to respond, including drawing on broader support in opposing them.

    “Even though it’s very hard for plaintiffs to win these types of cases, companies are very eager to avoid the expense, embarrassment and political accountability that come even with unsuccessful lawsuits,” he said.

    The post New Zealand moves to protect business with law curtailing climate litigation appeared first on Climate Home News.

    New Zealand moves to protect business with law curtailing climate litigation

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    Climate Change

    Indonesia’s nickel production cuts are not enough to create a sustainable industry 

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    Bhima Yudhistira Adhinegara is the Executive Director of the Center of Economic and Law Studies (CELIOS), an Indonesia-based economic think tank. Muhammad Zulfikar Rakhmat is the Director of the China-Indonesia desk at CELIOS. 

    Indonesia produces around 60% of the world’s nickel, a metal used to manufacture batteries for electric vehicles (EVs) – more than any other country in the world. But in 2026, the government sharply reduced how much of its nickel can be extracted from the ground.

    Production quotas were reduced by around 40% this year compared to 2025. Weda Bay, the largest nickel mine on Earth, had its allowance cut by more than 70% and exhausted its full-year quota by the end of May, halting mining entirely; it cannot resume large-scale extraction until next year unless regulators grant an extension.

    The policy has sparked a vivid debate in Indonesian policy circles: how can the country shift its strategy from a decade of mining vast quantities of cheap nickel to producing a high-value and low-carbon material that the rest of the world wants for EV batteries.

    The cuts aren’t a silver bullet to clean up Indonesia’s nickel industry, whose smelters are powered by coal – the most polluting fossil fuels. But alongside stricter enforcement of environmental rules, it is one side of efforts to produce more sustainable nickel for a premium.

    Restricting Indonesia’s nickel output

    Production quotas were introduced to stop the collapse of nickel prices because of oversupply in the market. Prices had fallen more than 40% in 2023 alone and kept sliding as Indonesian supply kept growing, hitting a four-year low of around $13,900 a ton in late 2025.

    Critics called the recent tightening of production quotas proof that Indonesia’s nickel strategy has failed, arguing that the industry shouldn’t need to throttle its own output to survive. But when assessed against what the policy was supposed to do – push up nickel prices – it has worked. Prices jumped to $20,000 a ton in May, the highest since 2024.

      Chinese industry groups representing companies that have invested billions to mine and refine the country’s nickel were furious, warning Indonesia’s president Prabowo Subianto that the cuts put $50 billion worth of investment at risk. But much of that Chinese capital is sunk into smelters and processing plants built specifically to run on Indonesian ore, and cannot simply be moved elsewhere. That gives Jakarta more room to hold its ground than the warning suggests.

      Stronger environmental enforcement

      Since the start of the year, Indonesia’s forestry task force has seized more than four million hectares of land from mines and plantations operating illegally in protected forests, collecting over two trillion rupiah ($113 million) in fines.

      This included 148 hectares seized from Weda Bay for lacking a forestry permit. The share of nickel produced from illegal small-scale mining also fell from about a quarter in 2022 to roughly 10% by 2024.

      The crackdown responds to serious environmental damages in the nickel industry. On Obi Island, a waste pond collapsed after heavy rain in June 2025, flooding three villages and killing a resident. Internal company tests found chromium-6 – a carcinogen – in the water, in quantities far above the legal limit. The footprint of another mine near Raja Ampat, which is home to some of the world’s richest coral reefs, grew 60-fold in just eight years.

      A coastal village is wedged between the sea and a large nickel mine in Indonesia
      The fishing villages of Tapunggaya in Sulawesi, Indonesia, are squeezed between the sea and an expanding nickel mine (Photo by Garry Lotulung/NurPhoto)

      The market is responding to early cleanup efforts. Low-carbon nickel now sells for a real premium, roughly $18,800 to $19,300 a ton compared with $17,900 to $18,300 otherwise, as carmakers seek to source cleaner materials to comply with the European Union’s new emissions rules for imports.

      In turn, this is incentivising the industry to do more to green its operations. Vale Indonesia’s smelter in South Sulawesi now runs almost entirely on hydropower, for example.

      None of this addresses coal use, however. Major Indonesian nickel producers still emitted an estimated 15 million metric tons of greenhouse gases in 2023. Indonesia may be cracking down on illegal mining and rewarding cleaner producers but it is still running its mines on the dirtiest fuel available.

      Unequal benefits

      For Indonesia to truly benefit from producing cleaner and high-value nickel, it needs to reap the economic benefits too. Although the industry has boosted the country’s economic growth, the reality on the ground tells a different story.

      Konawe in Southeast Sulawesi is home to a major smelting complex. Growth in the district jumped from 6% to 22% between 2015 and 2023, driven almost entirely by the nickel industry, according to a study by the Lowy Institute study. At the same time, poverty levels increased slightly and unemployment remained unchanged.

        In Halmahera, another epicentre of the nickel industry, spending by the poorest fifth grew just 5% between 2019 and 2022, compared with 28% for the wealthiest fifth, according to a separate study.

        Part of the reason for this inequality is the system for transferring mining royalties to district authorities where the mines are located. In theory, they are entitled to the largest share. But in practice, payments are delayed, companies routinely dispute what they owe and royalties are pooled and distributed across a larger area.

        The Natural Resource Governance Institute has found that decentralisation handed local governments power to approve new mines faster than they could build their capacity to manage them. Higher output raises national income on paper, but local governments remain constrained by fiscal rules and infrastructure costs that scale with mining.

        None of this makes the 2026 quota cuts a mistake. Indonesia has every right to defend its pricing power over a resource it controls. But limiting extraction isn’t going to fix underlying issues around environmental enforcement and revenue-sharing. That requires rules that are consistently enforced, royalties that reach communities living by the mines, and a plan to wean smelters off coal.

        The post Indonesia’s nickel production cuts are not enough to create a sustainable industry  appeared first on Climate Home News.

        Indonesia’s nickel production cuts are not enough to create a sustainable industry 

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        Climate Change

        Risk of “catastrophic” oil spill reaching Kimberley coast found in Woodside’s Scott Reef gas drilling plans

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        SYDNEY, Monday 24 August 2026 – New analysis of Woodside modelling released by Greenpeace Australia Pacific and Environs Kimberley has revealed the oil and gas corporation’s plans to drill at Scott Reef could cause an oil spill up to 30 times bigger than the 2009 Montara disaster, impacting the Kimberley coastline and reaching as far as Indonesia.

        The new analysis details the “catastrophic” oil spill risk put to environmental regulators for approval by Woodside in its Browse to North West Shelf Project (Browse) plans, the worst-case scenario being a blowout directly below Scott Reef, polluting whale migratory pathways and covering isolated turtle nesting ground with oil condensate.

        An FOI application (F348) revealed the federal environment department (DCCEEW) asked offshore oil and gas regulator NOPSEMA to look into the oil spill risk in 2025. NOPSEMA’s response to the application refused access to its report, and one document shows DCCEEW sought further advice this year.

        Greenpeace and Environs Kimberley are calling on the Federal Government to publicly release the NOPSEMA report given the risk of an uncontrolled release of oil condensate from directly below Scott Reef.

        Hannah Schuch, Senior Campaigner at Greenpeace Australia Pacific, said: “Woodside is aware that drilling at Scott Reef risks a massive oil spill that would have severe, far-reaching consequences. It appears environmental regulators are aware too.

        “The state and federal governments need to take this risk from Woodside’s drilling plans seriously, as they could end up allowing the worst oil spill in Australian history.

        “The pygmy blue whales that migrate up and down the WA coast with their newborns each year could be swimming and feeding in toxic, oil-slicked water. Woodside’s proposal to drill at Scott Reef is an environmental disaster waiting to happen, and the WA and federal governments have one surefire way to prevent catastrophe — reject Browse.”

        Martin Prichard, Executive Director at Environs Kimberley, said: “A catastrophic oil spill by Woodside would be disastrous not just for marine life in the area but also for the Kimberley’s $500 million tourism industry.

        “The state and federal governments will see five marine parks on the Kimberley coast included in the risk area of a catastrophic Woodside oil spill.

        “The Montara oil spill was disastrous for West Timor with the toxic oil destroying seaweed farmers’ livelihoods. The Kimberley dodged a bullet with Montara, we were lucky the spill didn’t head our way. Myself and a crew flew over the Montara oil spill and followed it as far as we could. It was like a scene from a disaster movie.”

        After the WA Environmental Protection Authority deemed Browse “unacceptable” due, in part, to oil spill risk, Woodside submitted a mitigation plan based on technology that has never been used “in anger”, a weakness stated in an independent expert review of the plan.

        Professor Richard Steiner, independent oil spill expert, said: “A large offshore spill is impossible to effectively contain or recover. Historically, only 2-6% of total spill volume is recovered and the ecological injury from the release of toxic hydrocarbons in the sea can be severe, extensive, and long-term.

        “Here in Alaska, government research concludes that several marine populations injured by the 1989 Exxon Valdez oil spill, including whales, fish, and seabirds, are still not recovering today, 37 years later. We should expect similar long-term ecological impacts in Western Australia if there were to be a major oil spill. The only sure way to avoid the risk of a catastrophic marine oil spill is to not develop oil and gas projects in marine environments.”

        -ENDS-

        Media contact

        Emma Sangalli on emma.sangalli@greenpeace.org or 0431 513 465

        Risk of “catastrophic” oil spill reaching Kimberley coast found in Woodside’s Scott Reef gas drilling plans

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