Sargassum is free-floating brown macro-algae that lives in the temperate and tropical oceans of the world. In the open ocean, the floating seaweed provides important ecosystem services by acting as habitats for a diverse group of marine animals. It provides food, shade, and shelter to many types of specialized fish, crustaceans, and turtles.

In the midst of B.C.'s record-breaking wildfire season, the heat from four fires triggered huge thunderstorms that sent smoke flying into the stratosphere, eventually spreading through the entire Northern Hemisphere.

There is a spruce beetle outbreak in Southcentral Alaska. Since the beetles don't emerge for a few weeks, we might as well start thinking about the problem.

Invasive species are a more important issue as increasingly warm winters and wetter summers help grasslands and forests in the North grow like never before, changing the very fabric of the North’s ecosystem.

An early melt-out date can make for an especially bad wildfire season, but this year, it’s right on schedule for much of the state. Listen now

A severe lack of rainfall during over southern South America during the summer of 2017 - 2018 has led to the worst drought in decades over portions of Argentina and Uruguay.

If you factor in wildlife changes, it could be even more.

Rising ocean levels are causing waves to break on the statues and platforms built a thousand years ago. The island risks losing its cultural heritage. Again.

In just a few short years, the Northern California waters stretching from Sonoma to Southern Humboldt have undergone a dramatic transformation, with stretches stripped bare of their once varied marine life in a phenomenon known as "urchin barren."

As its vital snowpack shrinks and droughts intensify, Californias giant $50 billion agricultural industry is at a crossroads: how to keep feeding the nation while adapting to the reality of …

The Svalbard Global Seed Vault celebrates its first decade in operation by accepting its millionth sample—and a grant for work to keep those samples safe despite melting permafrost.

A group of scientists says beech trees are dominating the woodlands of the northeastern United States as the climate changes, and that could be bad news for the forests.

The world’s permafrost holds vast stores of carbon. What happens when it thaws?

Longview Farms just north of Victoria says mild weather a problem for seasonal farming

Barbados’ most unwanted visitor has returned to its shores. The dreaded Sargassum seaweed is back. Since 2015 an influx of the unwelcome brown micro-algae has proven to be a major headache for the tourism industry. The seaweed, which invaded a number of beaches in Barbados, caused an awful stench, as the vegetable matter rotted after …

Just what exactly is permafrost? And what is happening now that it's warming up? To find out, we enter the Arctic Circle's secret world of ice and frozen history.

Environmental and economic changes could make it easier for non-native plants and animals to gain a foothold in the North.

How will climate change affect health in Alaska? Dangerous travel conditions could cause more accidents, warmer temperatures could spread new diseases and the topsy-turvy weather could worsen mental health. Those are some conclusions from a new state report released Monday. Listen now

"Our roads are slippery when there would be snow to where the children were out with their sled. Planes never cancelled as much as this year to where the flights were backed up to 3 or 4 days. Lately, we've been seeing grasses regrowing after it warms up out there."

Frequent burning over decades reduces the amount of carbon and nitrogen stored in soils of savanna grasslands and broadleaf forests, in part because reduced plant growth means less carbon being drawn out of the atmosphere and stored in plant matter.