Water pollution

Marina near Lake Muskegon and Lake Michigan

Michigan’s Lake Muskegon flourishing after years of pollution cleanup

By / / Good News For Humankind

A massive $84 million cleanup has led to the full ecological recovery of Lake Muskegon in Michigan. The lake was formally removed from the federal Areas of Concern list after decades of effort. This success restores the lake’s water quality and wildlife habitat, eliminating industrial contamination like sawdust and toxic sediment. The achievement is a powerful blueprint for environmental healing, proving that sustained public investment can fully revitalize damaged natural resources.

Downtown Chicago and Chicago River

Chicago to hold first open water swim in Chicago River in nearly a century

By / / Good News For Humankind

The Chicago River, once devastated by pollution, has seen a remarkable turnaround, with cleaner water, expanding wildlife, and renewed public confidence. Conservation groups now report diverse fish species, turtles, and birds thriving along the river, while the city prepares for its first open-water swim in nearly a century. Years of effort—ranging from sewage treatment upgrades to floating wetlands and volunteer cleanups—have driven the transformation. Challenges like stormwater overflows remain, but the river’s revival demonstrates what persistent investment, advocacy, and collaboration can achieve.

Cargo ship from above

Finland becomes world’s first country to ban cargo ships from dumping wastewater

By / / Good news links

Ship sewage discharged into the Baltic Sea contains large amounts of fecal bacteria and solid waste. Moreover, it is nutrient-rich, exacerbating eutrophication and causing toxic algal blooms in the summer months. Passenger ships in Finnish waters have long been prohibited from dumping this sewage into the sea, instead sending it to on-shore wastewater facilities. But now cargo vessels will be held to the same standard. The new law, set to take effect in July, will make Finland the world’s first country to implement such comprehensive wastewater regulations.

Pollution from industrial facility

Study finds mercury pollution from human activities is declining

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In a new study from the Massachusetts Institute of Technology, researchers analyzed measurements from all available monitoring stations in the Northern Hemisphere and found that atmospheric concentrations of mercury declined by about 10% between 2005 and 2020. They used two separate modeling methods to determine what is driving that trend. Both techniques pointed to a decline in mercury emissions from human activity as the most likely cause.

Nepal river valley with mountains in background

The Supreme Court of Nepal extends no-construction zones along major rivers in Kathmandu Valley

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The ruling introduces an additional 66-foot buffer zone, which would impact thousands of households, raising concerns about property rights and potential displacement. While environmental campaigners have welcomed the court’s decision as a crucial step toward saving the rivers of the valley, where encroachment and dumping of untreated solid and liquid waste is rampant, the federal government, under pressure from the local people, has filed for a review of the decision.

Aerial view of river and mangroves

Brazil rooting out last of gold miners on Yanomami lands

By / / Good news links

In a rush for gold, illicit miners had contaminated rivers with mercury and other toxic chemicals and with human waste, resulting in a wave of disease among the Yanomami that led to food shortages and malnutrition. In February of 2023, Brazil launched a campaign to “completely eradicate illegal mining” from the territory, which spans an area roughly the size of Portugal. More than a year later, officials say they have destroyed 42 airstrips, 18 aircraft, and 45 barges used by miners, and have seized 24,000 gallons of diesel fuel. They are now close to expelling the last of the miners, Reuters reports.