Seaweed cultivation ushers waves of change in the Sundarbans

A community-based seafood program called Fiishadelphia is the first community supported fishery run by high-school students in the city. They offer locally harvested and affordable seafood to a diverse customer base with an emphasis on accessibility for those experiencing economic hardship. The major cost is the distribution, delivery, and operation of the program, but so far, they have purchased 5,000 pounds of various types of fish and 25,000 pounds of shellfish and have connected community members directly to the suppliers.

Increasing salinization of water sources and droughts as a result of climate change have threatened traditional agricultural practices in the Mekong Delta of Vietnam. But The International Union for the Conservation of Nature and the Netherlands Development Agency are helping teach farmers to adapt by showing them how to work with the saltier waters, establishing organic shrimp farms instead of growing rice and preserving the valuable mangroves that protect their coastline from storms.

Mangroves can store up six times more carbon than an area equal to the Amazon rainforest. However, they are rapidly declining, over the past century their population has been reduced by 30 to 50 percent. One nonprofit, Blue Ventures, is working with local communities to regenerate fisheries, which helps the mangroves. They're also helping local communities to manage their mangroves.

Adapting to climate change in coastal areas means adjusting local fishing and cultivation practices. Residents of Velondriake, a locally managed marine area in southern Madagascar, have introduced seaweed and algae farming as an alternative to fishing. With the help of Blue Ventures, an NGO based in the UK, and the University of Toliara, residents are monitoring their ecosystem and finding new markets for their harvests.

Local fisheries have been struggling to keep up with major manufacturers. Sustainable fishing practices have been countering that by creating Niche markets.

Community-led urban farms in Jakarta empower residents to transform underused city spaces like alleyways and campus grounds into productive local food sources. These initiatives often blend traditional gardening with community organizing, educational outreach, and sometimes smart technology or agricultural research to improve food access, enhance green space, and foster local resilience.

With support and training from the United Nations Peacebuilding Fund's World Food Program, an association of roughly 150 women in Matagelema, Sierra Leone have begun irrigating and farming inland valley swamps there for the first time. They are among more than 4,000 farmers now cultivating in the country's swamps, which provide a higher crop yield than upland farming and are located farther from conflict zones with the region's rutile miners.

More and more Indigenous communities throughout North America are reclaiming their ancestral lands as a way to access traditional foodways. For example, a group of Mi’kmaq tribes in Nova Scotia bought a majority share in one of the largest seafood businesses on the continent, allowing them to use the company’s fishing licenses to harvest more scallops, lobsters, and crabs. The Quapaw Tribe in Oklahoma is restoring their land that had been polluted by mining. Under the Quapaw Cattle Company, they are able to sustain more than 1,000 cattle and bison as well as growing two crops.

In Myanmar, aquaculture production from medium-sized freshwater farms is growing and could be an important and sustainable supplier of food for the world’s growing population. Aquaculture businesses are thriving in Southeast Asia despite the decline of wild fisheries — the acreage of cultivated fishponds in some regions has expanded by more than 250 percent. While some environmentalists argue that it damages ecosystems, research suggests that freshwater aquaculture have a much lower environmental impact than marine fish farming.

Coral reefs play a vital role in the ecosystem, but are facing a dire future in many parts of the world. In Jamaica, however, "grassroots-run coral nurseries and fish sanctuaries" have been established over the last decade, which has helped bring reefs in this area back to life.