原文已被隐藏，你可用 快捷键 - 或点击 显示原文 按钮来查看原文
第1段
1 .This is Scientific American 60-Second Earth. I'm David Biello. Your minute begins now.
该句暂无译文！
2 .Hundreds have died of heat exhaustion in the U.K.this summer.
该句暂无译文！
3 .Pavement buckled across the eastern and central U.S. where a heat wave is broiling 21 states.
该句暂无译文！
4 .Australia set new record high temperatures in their most recent summer.
该句暂无译文！
5 .Anyone born after February 1985 has never lived through a month that was cooler than the 20th century's global average.
该句暂无译文！
6 .All that heat means higher demand for air conditioning, a technology that turned 111 this week.
该句暂无译文！
7 .AC ranges from a luxury to a necessity to a literal life-saver:
该句暂无译文！
8 .a recent study by American economists showed heat-related deaths in the U.S.dropped from roughly 3,600 per year to just 600 around 1960.
该句暂无译文！
9 .That's when AC became widespread in homes and offices.
该句暂无译文！
10 .Of course, AC eats a lot of energy.
该句暂无译文！
11 .Cooling accounts for fully 40 percent of the electricity demand of a typical U.S.building.
该句暂无译文！
12 .Which means our coolness relies on fossil fuel burning that ups CO2 pollution and warms the planet.
该句暂无译文！
13 .To compound the problem, the liquids used for all this comfort,
该句暂无译文！
14 .first chlorofluorocarbons and now hydrofluorocarbons are super-strength greenhouse gases.
该句暂无译文！
15 .As AC use spreads, cooling technology must become more environmentally-friendly and energy efficient.
该句暂无译文！
16 .Otherwise, there'll be no place to hide from the heat.
该句暂无译文！
17 .Your minute is up, for Scientific American 60-Second Earth. I'm David Biello.
该句暂无译文！