Africa

Farmers in Bangladesh. Credit: Heifer International
 
As conflict in the Middle East disrupts critical fuel and fertilizer supply routes, smallholder farmers across Asia are once again caught in the crossfire of global shocks. This piece argues that repeated crises are exposing a deeper structural flaw in agri-food systems—Overdependence on External Inputs. It presents a compelling case for regenerative agriculture as a pathway to resilient food systems in Asia.

By Neena Joshi
UTTAR PRADESH, India, May 15 2026 (IPS)

The latest shock to global food systems, triggered by conflict in the Middle East and disruptions around the Strait of Hormuz, has once again exposed a fragile truth: the world’s food systems remain highly vulnerable to external shocks.

For Asia, especially South Asia, where agriculture underpins millions of livelihoods, the consequences are immediate and severe. Rising fuel prices, supply chain disruptions, and limited access to fertilizers are pushing already fragile systems to the brink.

The Strait of Hormuz is not just a geopolitical chokepoint; it is a lifeline for fuel and agricultural inputs across Asia. A significant share of fertilizers and their raw materials, including natural gas, transit through or originate from this route.

For countries such as India, Bangladesh, and Nepal, where agriculture employs between 38 and over 60 percent of the workforce, this dependency creates systemic risk. When supply chains falter, the effects cascade quickly: input costs rise, planting cycles are disrupted, and farmer incomes shrink.

Solar panels installed in a farm in Bangladesh. Credit: Heifer International

Even if shipping routes reopen, recovery will be slow

Damage to energy infrastructure and continued geopolitical uncertainty mean price volatility and supply constraints can persist for months. For smallholder farmers, this creates a dual crisis. Exporting produce becomes difficult due to logistical bottlenecks, while fuel shortages hamper domestic distribution. At the same time, the next cropping cycle looms, with essential fertilizers either unavailable or unaffordable.

This is not an isolated disruption. From the COVID-19 pandemic to the war in Ukraine, global shocks are becoming more frequent and interconnected. Each crisis compounds the last, pushing smallholder farmers, the backbone of global food production, into deeper uncertainty. The question is no longer whether disruptions will occur, but how prepared our systems are to withstand them.

At the heart of the problem is overdependence on external, input-intensive systems, chemical fertilizers, fossil fuels, and long, fragile supply chains. Reducing this dependence is central to building resilience.

Regenerative Agriculture and Renewable Energy Offer a Compelling Pathway Forward.

At its core, regenerative agriculture restores soil health, enhances biodiversity, improves water retention, and reduces reliance on synthetic inputs. Practices such as crop diversification, organic soil enrichment, reduced tillage, and integrated pest management shift farming from an extractive to a restorative model.

By rebuilding natural soil fertility, these approaches reduce dependence on external inputs. Instead of relying heavily on urea in rice cultivation, regenerative systems promote nutrient cycling and biological nitrogen fixation through legumes, alongside the use of compost and manure to strengthen soil organic matter and ensure a steady, natural nutrient supply.

Integrating renewable energy further strengthens resilience. Solar-powered irrigation replaces fuel-based inputs with clean, reliable energy, lowering operational costs and improving water-use efficiency—especially critical during periods of disruption.

The evidence base for these approaches is both growing and compelling. In Bangladesh, multiple studies show that solar irrigation consistently outperforms diesel systems, delivering higher returns, improving food security, and reducing irrigation costs by 20–50 percent, while significantly boosting profitability (Rana, 2021; Buisson, 2024; Sunny, 2023; Sarker, 2025).

Research also shows that bio-based inputs like compost, biochar, and green manure can partially replace synthetic fertilizers, often without yield loss, while improving soil health (Naher, 2021; Ferdous, 2023; Behera, 2025).

Regenerative Agriculture is Not Just an Environmental Solution—It is an Economic One

By reducing dependence on volatile external inputs such as chemical fertilizers and fossil fuels, regenerative agriculture shields farmers from global price shocks while improving long-term productivity and profits.

Emerging evidence from Nepal and India reinforces this trend: while yields generally remain stable, reduced input costs significantly increase farm profitability (Magar, 2022; Dhakal, 2022; Berger, 2025).

A broader analysis by the Observer Research Foundation (2025) finds that although yields may dip slightly during transition, most cases report higher yields over time, alongside improved income stability driven by lower input dependence.

Similar trends are being observed globally, reinforcing that regenerative approaches can deliver both resilience and profitability across diverse farming systems (link).

Importantly, these outcomes are already visible on the ground in South Asia. Through programs led by Heifer International, smallholder farmers are adopting regenerative and climate-smart practices that reduce costs, improve yields, and strengthen resilience.

In Bangladesh’s Jashore district, for instance, women farmers organized into cooperatives have reduced irrigation costs, improved productivity, and strengthened market access through solar irrigation, organic soil management, and collective action.

As one farmer, Shirin Akter, shares: “Adopting climate-smart practices and pooling resources through my cooperative allowed me to grow diverse crops. When drought hit, I still had harvests to sell, and my cooperative helped me recover quickly.”

For farmers like Shirin, these shifts are transformative, turning vulnerability into resilience through diversified systems, lower input dependence, and stronger collective support. Similar models in Nepal show how regenerative, community-based approaches can reduce resource pressure while improving incomes.

Scaling this Transition Requires Action Beyond the Farm

To transition to a resilient and sustainable food system, a multi-stakeholder approach is essential. Policymakers should realign incentives to support sustainable practices and reduce dependence on imported inputs. Financial institutions and insurers should recognize the lower risk profiles of regenerative systems.

Businesses must embed sustainability into core decisions, prioritizing sourcing from farmers adopting regenerative practices and building longer-term, stable supply relationships. At the same time, marketing teams can shape consumer demand by communicating the value of sustainably produced food. Together, these shifts can align supply chains and markets in support of more resilient food systems.

The stakes are high. The World Food Programme warns that roughly 45 million more people could be pushed into hunger if current disruptions persist, adding to the 318 million people already food insecure.

We cannot continue rebuilding fragile food systems after every shock. We must redesign them. Regenerative agriculture offers a pathway to reduce dependence on volatile external inputs, restore ecological balance, and build resilience where it matters most—at the farm level.

To replenish what has been used up is not just an environmental necessity—it is the foundation of more secure, equitable, and resilient food systems across Asia.

Neena Joshi is the Senior Vice President for Asia Programs at Heifer International. With over 20 years of experience, she leads initiatives to build inclusive, sustainable agrifood systems and empower smallholder farmers, especially women and youth, across Asia.

IPS UN Bureau

 

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One of the biggest hidden threats to ocean health comes from biofouling — the accumulation of algae, barnacles and microorganisms on ships’ hulls that can transport invasive species across oceans. Credit: Aaron Smulktis/Unsplash

By Kizito Makoye
MAFIA ISLAND, Tanzania , May 14 2026 (IPS)

Under the warm waters off Tanzania’s Mafia Island, marine scientist Asha Mgeni hovers above a coral reef she has studied for years. Small fish dart through the currents. To most divers, the reef appears pristine. But Mgeni notices something unusual.

Tucked between coral branches are invasive organisms disrupting the reef’s natural growth and species, which were not there before, she says.

“We know these reefs,” she tells IPS. “When something new appears, it stands out immediately.”

For communities along Tanzania’s coastline, coral reefs are ecological treasures. They cradle fish stocks, soften the blow of crashing waves and support coastal economies increasingly threatened by climate change and environmental degradation.

Scientists say one of the biggest hidden threats comes from biofouling — the accumulation of algae, barnacles and microorganisms on ships’ hulls that can transport invasive species across oceans. For decades, ballast water was considered shipping’s main pathway for spreading invasive aquatic species. But maritime experts now say biofouling can no longer be ignored.

“Ballast water has certainly, historically at least, been considered the primary vector for IAS introductions,” says Will Griffiths, Project Technical Analyst at the International Maritime Organization. “However, the role played by biofouling in this regard has become more recognised in recent years, with some studies suggesting that in some locations, such as parts of Hawaii and New Zealand, it may have been the primary vector.”

Fish vendors wait for the arrival of the day’s catch along the shoreline in coastal Tanzania, where fishing sustains thousands of livelihoods. Marine scientists say invasive aquatic species linked to international shipping could disrupt fisheries and threaten food security for vulnerable coastal communities. Credit: Kizito Makoye/IPS

As global shipping expands, marine experts warn that invasive species are spreading through trade routes, disrupting ecosystems and threatening biodiversity. Scientists and regulators say biofouling can transport  marine organisms and pathogens across ecosystems, threatening fisheries and coastal economies.

“It is also worth noting that biofouling can represent a great species richness in terms of species transported by ships and also, therefore, potential pathogens,” Griffiths tells IPS.

Mwanahija Shalli, a professor of Marine and Coastal Resources Management at the University of Dar es Salaam, says marine biodiversity underpins livelihoods for millions of coastal residents through fisheries and tourism.

“Invasive aquatic species threaten ecosystems and fisheries by displacing native species,” she says. “If we fail to manage biofouling, we undermine important conservation efforts.”

A broad alliance led by the United Nations Development Programme (UNDP), the Global Environment Facility (GEF) and the International Maritime Organization (IMO) is stepping up efforts to confront a major environmental threat from shipping: the spread of invasive aquatic species through biofouling.

Port and maritime officials inspect a vessel at the Port of Dar es Salaam as part of efforts to monitor the environmental risks posed by invasive marine species spread through global shipping routes. Experts say biofouling on ship hulls has become a growing threat to marine biodiversity and coastal economies. Credit: Kizito Makoye/IPS

Known as the GloFouling Partnerships Project, the initiative aims to help countries strengthen regulations, improve monitoring systems and build technical capacity to reduce the transfer of invasive species through international shipping. The project supports  efforts to meet the United Nations Sustainable Development Goals — particularly the target to conserve and sustainably use oceans, seas and marine resources — while delivering climate benefits through improved vessel efficiency and lower emissions.

Scientists say organisms nestled on ship hulls increase drag, forcing vessels to burn more fuel and produce more emissions.

“Biofouling changes the affected ships’ hydrodynamics and increases drag, meaning there is increased fuel consumption and thus increased greenhouse gas emissions,” Griffiths says. “This can also be a major issue when fouling is on the ship’s propellers, which, due to shape, require specialist cleaning.”

He says biofouling can also interfere with vessel operations.

“There is also some anecdotal evidence to suggest fouling can cause blockages in seawater intakes, affect engine performance and even firefighting systems in extreme cases, which further increases fuel consumption,” he says.

Andrew Hume, Senior Environmental Specialist at the Global Environment Facility, says the initiative builds on earlier international efforts to control invasive species transported through ballast water.

“The GloFouling project builds on a long-standing partnership between the GEF UNDP and the IMO to address shipping impacts on the marine environment,” he says.

According to Hume, the project closes a major gap by targeting hull biofouling, another key pathway for invasive species transfer.

“Keeping ships’ hulls free from just a thin layer of slime could reduce a ship’s greenhouse gas emissions by up to 25 per cent,” Hume says.

A cargo ship enters the Port of Dar es Salaam, one of East Africa’s busiest maritime gateways. As shipping traffic increases, scientists and regulators are raising concerns about biofouling — the buildup of marine organisms on ship hulls that can transport invasive species across oceans. Credit: Kizito Makoye/IPS

Marine scientists warn that invasive aquatic species can dramatically alter ecosystems, outsmart native organisms and damage fisheries that support coastal livelihoods. The issue is  raising international concern as governments struggle to balance burgeoning maritime trade with the protection of ocean ecosystems. Griffiths says the international community has made substantial progress regulating ballast water through the Ballast Water Management Convention, but biofouling controls still lag behind.

“An important aspect to consider is that there is a robust international legal framework for managing ballast water, whereas at the international level biofouling provisions are, for the moment, recommendatory and only a few countries have biofouling regulations,” he explains.

Across East Africa, rising cargo traffic has increased concern about shipping’s ecological footprint. Similar efforts are underway globally. Indonesia estimates improved biofouling management could generate up to USD 7 million annually through healthier reefs, lower fuel consumption and reduced port maintenance costs.

In Peru, authorities are building a national aquatic biodiversity database to help scientists detect invasive species before they spread along the coastline.

“Collaboration in the project enabled the authorities to develop a national aquatic biodiversity catalogue providing the baseline knowledge to detect invasive species early and undertake rapid response,” Griffiths says.

In Fiji, the results are impressive.

“Fiji reported that as a result of the GloFouling dry dock training, they had improved the technical capacity of local personnel and gained access to resources to upgrade local facilities,” Griffiths says, adding that the programme had strengthened confidence among local maritime operators and enhanced Fiji’s position in the regional maritime services market

Meanwhile, Mauritius is encouraging private-sector investment in technologies designed to protect fragile marine ecosystems. Over the past six years, countries participating in the GloFouling initiative have moved toward stricter regulation and greater regional cooperation.

Australia and New Zealand have already introduced fully enforceable national regimes requiring clean hulls, biofouling management plans, record books and inspections consistent with the IMO’s 2023 Biofouling Guidelines. Griffiths says Brazil has emerged as a leader among developing nations.

“Brazil is the newest and most explicit adopter, directly embedding the 2023 guidelines into mandatory port state law,” he says. “Unlike the IMO’s voluntary approach, however, Brazil sets an explicit enforceable standard: vessels must arrive with no more than microfouling.”

The project has also expanded into maritime training and private-sector cooperation. Through the Global Industry Alliance, companies are testing hull coatings and cleaning technologies to limit the spread of invasive species.

“One of the project’s most transformative impacts has been creating a collaborative platform where technology innovators, regulators and industry leaders jointly develop and implement solutions for biofouling,” Griffiths says.

The alliance, initially created to support the project, has since evolved into a permanent collaboration. Griffiths says the group is expanding research into hull inspection technologies and the environmental impacts of antifouling coatings.

“The continuation of the GIA and its ongoing studies offers exceptional value as a driving force for industry innovation, standard-setting and knowledge dissemination,” he says.

Hume says the initiative builds on earlier GEF-supported efforts that led to the International Convention for the Control and Management of Ships’ Ballast Water and Sediments in 2004. He says the programme has since helped develop the IMO’s 2023 Biofouling Guidelines and supported pilot projects in 12 countries.

Hume says the GEF is preparing a second phase of investment aimed at helping more countries implement the IMO’s 2023 Biofouling Guidelines and strengthen international cooperation.

“The objective is to strengthen national and institutional capacity of developing countries to implement the guidelines in order to reduce invasive species and lower greenhouse gas emissions,” he says.

A second phase of investment expected before June  aims to strengthen national capacity, expand implementation and advance discussions toward a legally binding global framework on biofouling management. Although the GloFouling project officially concluded in May 2025, Griffiths says efforts are continuing through training programmes, technical studies and industry partnerships designed to maintain momentum ahead of anticipated binding international regulations by 2030.

Experts say cleaner hulls not only reduce the spread of invasive species but also lower fuel consumption and carbon emissions. However, scientists caution that poorly managed hull-cleaning practices can release chemicals and microplastics into marine environments.

Back on Mafia Island, Mgeni says the changes beneath the water are often subtle before they become irreversible.

“Once invasive species establish themselves, it becomes much harder to restore the balance,” she says.

For communities that depend on reefs for food, tourism and protection from storms, the battle against biofouling is becoming a fight to protect the ecosystems and livelihoods that depend on the ocean.

Note: The Eighth Global Environment Facility Assembly will be held from May 30 to June 6, 2026, in Samarkand, Uzbekistan.
This feature is published with the support of the GEF. IPS is solely responsible for the editorial content, and it does not necessarily reflect the views of the GEF.

IPS UN Bureau Report

 

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