Healthy seagrasses form underwater meadows teeming with fish and shellfish. A successful large-scale restoration project in Virginia could become a model for reseeding damaged seagrass beds worldwide.
Microplastics could pose a threat to the sustenance of aquatic biodiversity when ingested by animals.
PFAS chemicals are toxic, widespread and persistent in the environment, and the federal government has been slow to regulate them. A scientist explains why evaluating them one by one isn't working.
Conservation or copper? A proposed mine in northern Minnesota pits industrial jobs against a thriving outdoor economy.
Bushfires not only destroy things on land, they can also have an impact on our seafood industry including our oyster farms.
A long-awaited NZ$700 million package to clean up New Zealand's rivers and lakes has disappointed some of the government's expert advisers – especially a delay on setting clear pollution limits.
Warmer waters, heavier storms and nutrient pollution are a triple threat to Great Lakes cities' drinking water. The solution: Cutting nutrient releases and installing systems to filter runoff.
In my 30 years of research, I keep uncovering long-standing environmental issues the mining industry doesn't seem to learn from.
The NSW government is soon expected to grant environmental approval to Snowy 2.0. But that process should be halted.
A new report on New Zealand's lakes and rivers confirms that many freshwater ecosystems are in decline and warns that climate change will exacerbate existing threats.
The Deepwater Horizon oil disaster catalyzed a decade of research on oil contamination in the Gulf of Mexico, from surface waters to the seabed, with surprising findings.
Water is essential for health, economic well-being and social equity, but too many people around the world still don't have access to clean drinking water and sanitation.
PFAS have been used in everything from coffee cups to frying pans. But they're toxic, and accumulating in the environment.
Dams built to hold enormous quantities of toxic mining waste have a long history of spills. Decisions in the Pacific Northwest threaten three free-flowing rivers there.
Floods will undoubtably wash pollutants into water reservoirs. Are we prepared enough to protect our drinking water?
Mayflies and stone flies are extremely vulnerable to water pollution, which has implications for the larger food chain.
The solids from wastewater plants are usually dumped into landfills because they are contaminated with heavy metals. Now there is a way to remove the metals so the waste can be used as fertilizer.
The Trump administration is supporting new mines in Alaska and Minnesota that many opponents say could devastate sensitive areas around them.
As climate change speeds up tropical storm cycles, rivers and bays have less time to process nutrients and pollutants that wash into them after each event.
We all know that climate change is hurting the Great Barrier Reef. But scores of other less-publicised threats also threaten the future of the natural wonder.