Squirrels and Beavers Contribute to Climate Change

Two new studies have found that squirrels and beavers contribute more to climate change than previously thought. Arctic ground squirrels melt permafrost when they burrow. Permafrost preserves dead animals and vegetation underground for hundreds of years. The squirrels’ feces also fertilize the soil, which allows microbes to thrive. These microbes decompose dead plants and animals,…