The reason for the excitement is that, although the existence of ice on Mars has been known since 1666, when the planet's polar caps were first seen, the low temperatures and air pressure there mean that water, even if heavily salted, is likely either to freeze or to evaporate.
Yet while most people have read of the threat of rising sea levels and melting polar caps, or experienced a nagging guilt when booking a cheap flight or buying exotic fruit imported from the other side of the planet, hitherto global warming has largely been something we are happy to leave to the scientists to worry about.
First we were accused of causing melting polar ice caps, rising oceans and sweaty polar bears.
Who cares about deforestation and melting polar ice caps, when it means God is just around the corner?
The destruction of the rainforest I believe is a huge problem, as is the polar ice caps melting but it's good to see the problem being addressed.
Faced with melting polar ice caps and worsening droughts, climate experts at a massive U.N. conference in Bali, Indonesia, urged quick action toward a new international pact that seeks to stem an increasingly destructive rise in world temperatures.
When we think about climate change, we are no longer thinking about polar bears stranded on melting ice caps.
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The fate of polar bears weighs on our collective conscience more than pandas because of melting ice caps.
It moved through hoods, beanies and "Cat in the Hat" hats on to baseball caps first turned sideways and then with a flat brim (the polar opposite of the redneck and preppy artfully turned trend) and the current reinvented trend for "the bucket, " preferably from Louis Vuitton or Ralph Lauren.
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