For the first time, a peer-reviewed study has documented sustained increased levels of dissolved oxygen in the Long Island Sound, environmental officials said, a sign of improving marine health they ...

Long Island Sound cleanup efforts are increasingly focused on harder-to-control pollution sources such as stormwater runoff.

Oxygen levels in the Long Island Sound are at their healthiest point in three decades, according to new research from the Long Island Sound Partnership. It marks a major milestone after years of ...

Low-oxygen areas in Long Island Sound dropped last summer to the smallest footprint recorded in nearly 40 years, according to data from Connecticut’s Department of Energy and Environmental Protection.