Environmental pollution is a world wide problem. 环境污染是个全球性的问题。
Polar bears and penguins get all the attention but there's more than large, fuzzy and feathered animals thriving at the frozen antipodes of our planet. 全球性的气候变暖，似乎很受那些不需要依赖于浮冰生存的物种，或者是即使在温度升高的情况下，也能够寻找到可食之物的物种青睐。
