CNN takes viewers around the world in a two-part, four-hour documentary that examines our changing planet. This worldwide investigation, shot in high definition, looks at four key issues: climate change, vanishing habitats, disappearing species and human population growth.
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コメント(7)
Greenland
Water reflects sunlight, which melts even more ice. That's a matter of course but I never thought of that.
Tempreture increased by 4.5 degrees Celcius during winter, which is one of the largest temperature increases on earth.
Moulin? The explanation of how iceshield slides is curious.
I didn't know islands are being discovered because ice melts. I was so ignorant that I leaned this for the first time when AC went to Greenland about a month ago. That was shocking to me.
Ice has become thinner by 40% in the last 40 years.
Water reflects sunlight, which melts even more ice. That's a matter of course but I never thought of that.
Tempreture increased by 4.5 degrees Celcius during winter, which is one of the largest temperature increases on earth.
Moulin? The explanation of how iceshield slides is curious.
I didn't know islands are being discovered because ice melts. I was so ignorant that I leaned this for the first time when AC went to Greenland about a month ago. That was shocking to me.
Ice has become thinner by 40% in the last 40 years.
Arctic (Alaska)
Polar bears are becoming smaller in the past decades because of they don't have enough foods. They are even cannibalizing each other.
Although they are marine mammals, polar bears are drowning, which I'd already heard before.
They lost vast quantity of ice there, 6 times as large as the State of California. Living in Japan, square mile sounds so unfamiliar to me. I converted the unit and calculated by myself. They said one million of square miles are vanishing? That's 6.8 times as large as Japan! This is really alarming!!
I thought polar bears are on the list of endangered species list but they haven't. Adding them to the list is a double edge sward. It is obvious that the situation cannot be reversed soon, and therefore the number of polar bears will surely decline. We must protect this "rare species." However admitting that this animal is sure to extinct means admitting that the U.S. government, Bush administration rather, will not be able to stem global warming.
Polar bears are becoming smaller in the past decades because of they don't have enough foods. They are even cannibalizing each other.
Although they are marine mammals, polar bears are drowning, which I'd already heard before.
They lost vast quantity of ice there, 6 times as large as the State of California. Living in Japan, square mile sounds so unfamiliar to me. I converted the unit and calculated by myself. They said one million of square miles are vanishing? That's 6.8 times as large as Japan! This is really alarming!!
I thought polar bears are on the list of endangered species list but they haven't. Adding them to the list is a double edge sward. It is obvious that the situation cannot be reversed soon, and therefore the number of polar bears will surely decline. We must protect this "rare species." However admitting that this animal is sure to extinct means admitting that the U.S. government, Bush administration rather, will not be able to stem global warming.
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