Scientists say they have found a link between human-related greenhouse gas emissions and polar bear reproduction and survival rates for the first time in a new study, potentially overcoming a barrier to protecting the species.
CNN.com – RSS Channel Scientists say they have found a link between human-related greenhouse gas emissions and polar bear reproduction and survival rates for the first time in a new study, potentially overcoming a barrier to protecting the species.
Read More Scientists say they have found a link between human-related greenhouse gas emissions and polar bear reproduction and survival rates for the first time in a new study, potentially overcoming a barrier to protecting the species.