Fuzz: When Nature Breaks the Law

by Mary Roach

For every 1.8-degree Fahrenheit increase in temperature, hibernation shortened by about a week. Based on current climate change projections, black bears of the year 2050 will be hibernating 15 to 40 days less than they are now. That’s 15 to 40 more days out on the landscape looking for food. Add “more bear break-ins” to the list of possible consequences of climate change.