... adapt to a warming climate on such 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 percent decline per decade in Arctic sea ice ... ...
... 's home, is experiencing the effects of global warming more than any other places. As the temperature is increasing, ice sheets are becoming smaller and fewer; as a result, polar bears have to spend more time on swimming in the sea to find icy places for hunting and living, which impacts their reproductive capacities and the cubs' chances of survival (NatureCANADA. ... ca, 2012). The fact is that the population of polar bear has declined by 22 percent over the past decade (NatureCANADA.com, 2012). Overall, global warming has damaged the ecosystem a lot. In conclusion, global warming has c...
