... a large scale. If humans are the cause of a warming climate we will ultimately be responsible for the destruction of millions of species. Indicator Species Polar bears are one species that are currently feeling the effects of a warming climate. Over the past twenty years, NASA satellite data has shown a 2.9 ... we need to act now to stop climate change," said Kevin Jardine, Greenpeace climate impacts specialist. A recent study by Canadian polar bear researchers showed that the species have less time to hunt during the season and are forced to return to land undernourished. The ... sustai...

• Word Count: 1234
• Approx Pages: 5
• Has Bibliography
• Grade Level: Undergraduate