Background Articles

Cities around Canada are urging swimmers to take caution as toxic blue-green algae warnings are in effect throughout the nation. This algae, if in contact with humans and pets, can be extremely harmful.

The article discusses the unique dragonfly species in Alaska, including the lake darner and the treeline emerald, which thrive in cold climates and have a high prey capture success rate.

The North Salt Spring Island Waterworks District and the Capital Regional District have partnered to request $50,000 from the B.C. government for a "Water Service Optimization" study.

Heading north this summer for a refreshing swim? If you're looking for the warm water, you might want to give the Great Lakes a pass and head straight to the Arctic.

Akiak lost a mile-long stretch of riverbank to erosion last month. Six houses are now within 100 feet of the riverbank and need to be moved as soon as possible, but some people don’t want to move.

The glowing algae is suffocating sea life.

Environmentalists often decry the loss of species diversity in rivers that have been dammed. But while some species lose when we meddle with rivers, others win, sometimes in dramatic and ways.

The Ranavirus virus has been found in a turtle in Hamilton's Cootes Paradise wetland. It generally leads to organ failure and death within four weeks.

Due to the recent devastating drought, soybean production in Uruguay is forecast to drop to 1.7 million tons in 2017-18, according to an April 30 Global Agricultural Information Network (GAIN) report from the U.S. Department of Agriculture.

Warming trend means Arkansas River won't meet demand.

This spring has seen record-breaking warm temperatures across Alaska. In the Yukon-Kuskokwim Delta, the Kuskokwim River is melting early — with devastating consequences.

Increasing ground temperatures in the Arctic are indicators of global climate change, but until recently, areas of cold permafrost were thought to be relatively immune to severe impacts. A new study by Antoni Lewkowicz, a professor in the Department of Geography, Environment and Geomatics at the University of Ottawa and published in the journal Nature Communications, however, shows that areas of cold permafrost can be vulnerable to rising summer temperatures.

March becomes the hundredth month in a row with temperatures above normal. "It is unique and shows how fast climate change is happening in the Arctic," says climate scientist Ketil Isaksen at the Meteorological Institute (MET).

The latest statistics on the mountain hare (or blue hare) population of Finland, for instance, show that the species' numbers are plummeting while the European (or brown) hare is thriving, especially in southern parts of the country.

The Kuskokwim River in Southwest Alaska is taking longer to freeze. Mark Leary, a volunteer for Bethel Search and Rescue, talks about what that means for winter transportation in the region.

Huerfano County says it's preparing for the worst when it comes to this year's flood season and it wants residents to be prepared.

Fish provide a vital source of protein for over half the world's population, with over 56 million people employed by or subsisting on fisheries. But climate change is beginning to disrupt the complex, interconnected systems that underpin this major source of food.

If the trend of reduced ice on the world's lakes continues at its current pace, the Canadian tradition of shinny could become a thing of the past, according to new research.

Scientists from NASA and the National Oceanic and Atmospheric Administration have declared 2018 the fourth warmest year on record. It ranks behind 2016, 2017 and 2015, respectively. And it's only going to get warmer from here, they predict.

Greenhouse gas emissions provide extreme warming on Svalbard.