fish

Study co-author Kieran Cox of Simon Fraser University said sound is a medium for fish to exchange large amounts of information, just as humans do.

The green industries program at Don Mills Collegiate Institute has grown steadily over the 20-plus years that teacher Dan Kunanec has put into the urban innovation project, which each year sends dozens of high school students on their way to environmentally sustainable careers.

Environment and Climate Change Canada says Teck Metals Ltd., a subsidiary of Teck Resources Ltd., has been ordered to pay $2.2 million in federal and provincial fines for an effluent spill into the Columbia River.

Dead and dying seabirds collected on the coasts of the northern Bering and southern Chukchi seas over the past six years reveal how the Arctic's fast-changing climate is threatening the ecosystems and people who live there, according to a report released Tuesday by U.S. scientists.

I could never shake the nagging feeling that I was standing on the sidelines, watching idly as ecosystems around me fell like dominoes, writes Auston Chhor.

The law codifies the Mar Menor’s right “to exist as an ecosystem and to evolve naturally” and recognizes its right to protection, conservation and restoration.

At Oakland's Lake Merritt, a popular spot for joggers, walkers and those looking to be in nature, crews on Wednesday began removing dead crabs, bat rays, striped bass and other fish that began piling up on its rocky shores over the weekend.

The birds no longer sing. The fish no longer swim in rivers that have turned a murky brown. The animals do not roam, and the cows are sometimes found dead.

The Thames hit rock bottom in 1957 when the Natural History Museum declared the river “biologically dead.” Then London saved it.

Humans don’t know what they’re missing under the surface of a busy shipping channel in the “cruise capital of the world.” Just below the keels of massive ships, an underwater camera provides a live feed from another world, showing marine life that’s trying its best to resist global warming.

The charge came after the release almost four years ago of about 2.8 million litres of process water, a byproduct of oil and gas production and typically high in salt content.

The news comes after decades of declining stocks.

Residue from vehicle tires contains a chemical highly toxic to several important species of fish when it washes into streams, says new Canadian research.

Sri Lankan beaches buried in pellets are only the "tip of the iceberg" of environmental harm after analysis of nurdles from burning ship.

Billions of these tiny plastic pellets are floating in the ocean, causing as much damage as oil spills, yet they are still not classified as hazardous.