Climate change revs up extinction risks
![polar bear with cubs](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/04/ticker_bm_extinction_polarbears_free_0.jpg?fit=840%2C460&ssl=1)
Climate change will boost the risk of extinction rates to species worldwide, possibly including polar bears, which are already endangered by the affects of global warming.
Valerie/Flickr (CC BY-NC-ND 2.0)
Climate change will boost the risk of extinction rates to species worldwide, possibly including polar bears, which are already endangered by the affects of global warming.
Valerie/Flickr (CC BY-NC-ND 2.0)