Historical gold mining at the Giant Mine near Yellowknife, N.W.T. released toxic arsenic into the environment. Snowshoe hares are showing signs of poisoning.
For decades, state and federal governments have shed environmental budgets and staff. Now it's up to volunteers to fill the gap.
When humans have conflicts with wildlife, the first reaction is often to cull them. But there's little evidence to show that it works, and removing predators can even backfire and make things worse.
Chytrid fungus has caused a global "amphibian apocalypse," killing frogs worldwide. Now some appear to be evolving resistance – but a closely related fungus threatens newts and salamanders.
Here's some advice on taking selfies with wild animals: don't. It's not fun for the animal, and can have serious knock-on effects for their health. And you could be injured (or worse).
The bearded boar is rarely honoured, yet its role in the forest of this island in the Malay archipelago is as crucial as it is emblematic.
Many poachers continue to poach to improve their incomes, rather than just make ends meet.
Wild animals are hard at work this spring. Here's how their hard labour benefits humans, and why we should be more appreciative.
Scientists often use animals and plants as indicators to assess whether ecosystems are polluted. Tracking bats, which cover wide areas and need clean water, could become a way to find potable water.
Planet Earth II Live fuses footage from the BBC series with live orchestration. Despite some narrative flaws, it's a stirring call to look after our environment.
During sea turtle nesting season, scientists collect data and assess how turtles are doing. But they know less about how plastic pollution, fishing and warming oceans are affecting turtle numbers.
Wildlife hunts are supposed to be grounded in sound science, but new research casts doubt on this assumption.
The Interior Department is narrowing protection for migratory birds to cover only deliberate harm such as hunting, but not threats like development or pollution that kill millions of birds yearly.
Kenya's wildlife task force promises stakeholder participation needed for sustainable conservation.
We're in the middle of an Insectageddon. But a garden of native plants can help insects, as well as birds and other wildlife.
From falcons that hunt by the light of skyscrapers, to bears that sit in wait at weirs, animals are using human structures to help them catch a meal.
Three researchers studied the "crop raiders" of the Brazilian rainforest in the hope of aiding both local farmers and wildlife conservation.
Feeding wild birds is discouraged in Australia despite its popularity in other countries. But many Australians still put food out for the birds, and that's not a problem if it's the right food.
A new study found that community-based wildlife conservation can quickly result in clear ecological success.
A new study shows that polar bears require more food than previously thought. The scientists used collars that tracked bears' movements and metabolic rates.