Cary Institute of Ecosystem Studies researchers found a 'massive' amount of algal bloom in a section of the Hudson River.

Toxic algae blooms are turning Lake Erie green, choking its shoreline with foul-smelling sludge and leaving residents battling health problems as scientists warn the outbreaks are growing longer and ...

The bloom, made up of the cyanobacterium microcystis, stretches from Kingston to Staatsburg. People and pets are advised to ...