Algae turns Australian oceans milky pink

A huge red algal bloom along vast stretches of southeastern Australia's coastline Thursday resulted in beaches being closed and turned swathes of usually pristine ocean milky pink.

Sea otters promote recovery of seagrass beds

Scientists studying the decline and recovery of seagrass beds in one of California's largest estuaries have found that recolonization of the estuary by sea otters was a crucial factor in the seagrass comeback. Led by researchers ...

Giant green algae slick heads towards China

A massive floating expanse of green algae is heading towards China's east coast, potentially threatening wildlife and the region's tourist industry, state media reported on Tuesday.

Farm runoff and the worsening algae plague

Harmful algae blooms have become a top water polluter, fueled by fertilizers washing into lakes, streams and oceans. Federal and state programs have spent billions of dollars on cost-sharing payments to farmers to help prevent ...

Drug lord's hippos make their mark on foreign ecosystem

Four hours east of Medellin in northern Colombia's Puerto Triunfo municipality, the sprawling hacienda constructed by infamous drug lord Pablo Escobar of "Narcos" fame has become a tourist attraction. When Escobar's empire ...

Scientists link nutrient pollution to coral bleaching

Too many nutrients can put corals at risk, a new study shows. Excessive nitrogen in the water affects their ability to cope with rising water temperatures and other environmental pressures, making them vulnerable to harmful ...

page 8 from 40