The melting of sea ice is endangering polar bears (Document A). Polar bear's endangerment from the sea ice loss is due to the decreased chances of hunting, lack of reproduction from starvation, and behavior change (Document A). From the change in climate, the mountain pine beetle population has increased while the whitebark pine population has decreased (Document B). The impacts upon the whitebark pine will reduce the population of several high-elevated plants that relies on it (Document B). Since 2004, the Gulf of Maine has been the fastest warming place on Earth, except northeast Japan (Document F). Due this ordeal in the Gulf of Maine, the marine life that has depended on its ecosystem will have to migrate even further up north into cooler water (Document