"Some say that global warming is an ever increasing concern that threatens the polar bears' existence. Others believe there is no truth to it and that the earth has been warming and cooling for 100 million years. Is global warming a sham? Or will polar bears be extinct soon?"
Greg enjoys nature, photography and travel. He combines these passions to create wildlife images from around the world. To see more of his work go to www.harveywildlifephotography.ca