By A Mystery Man Writer
Polar bears are on the front lines of climate change in the Arctic and an indicator species for the effects of global warming.
Climate change may kill off nearly all polar bears by 2100
Conservation Concerns Polar Bears International
Climate change
Bears lagoon hi-res stock photography and images - Alamy
Climate change could make giving birth riskier for polar bears in northern Alaska - ABC News
Climate change: Melting Arctic threatens polar bears, ecosystem
Online posts mislead on threat to polar bears
Polar Bear in Peril — Climate Change Effects Expand - Global Solution Networks
Polar Bear - Polar Bears and Climate Change
For threatened polar bears, the climate change diet is a losing proposition
Polar Bear Range States - Climate change
Polar bears are inbreeding due to melting sea ice, posing risk to survival of the species, scientists say - ABC News
Climate change affects the diet of polar bears