Warmer Arctic waters with less sea ice cause orcas to impact the northern marine ecosystems as the impressive whales swim further and further north in search of food and cooler temperatures.
The Great Southern Reef might not be as well-known as the Great Barrier Reef, but Australia’s "other" reef is brimming with biodiversity – and has battles of its own.
New research suggests that if global temperatures rise by two to three degrees Celsius beavers could even find Nunavut's High Arctic a suitable place to live.
Scientists are trying to figure out how earthworms are influencing climate change. Some species are speeding up how much carbon gets dumped into the atmosphere, and others are helping lock carbon in the soil.