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Believe it or not, spring is coming, but will global warming change things? A new study shows that the breeding ranges of North American birds have shifted northward coinciding with a period of increasing global temperatures. Eventually, some of our favorite birds may disappear completely. And those trees they?re nesting in seem to change colors later and later every year?or maybe not at all?which is another sign of global warming. Meanwhile, birds are changing their habits to become more like humans in one very important way.
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On January 23, two major undersea internet cables were cutoff the Egyptian port of Alexandria, and it was widelythought to be an accident involving a ship leaving the port.Then a cable was cut in the Persian Gulf. It was severed intwo places, off Dubai and off the Iranian port of BandarAbbas. The effect of these cuts was to slow the internetdown across the region, and to virtually curtail internetactivity in Iran. Now two more cables have been cut, andauthorities are declining to speculate about the reason.
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We know about space trash, but we are turning something much closer to us into a gigantic rubbish dump as well: the ocean. Held in place by underwater currents, it stretches from the California coast, past Hawaii, almost to Japan. It’s the world’s biggest dump.
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Waves of hitherto rare midwinter tornadoes swept thesouthern part of America’s heartland yesterday. So far 28people are known to have been killed in Tennessee, 13 inArkansas, 7 in Kentucky and 4 inAlabama. A family of 3 was killed in Arkansas. This is thesecond time this winter tornadoes have erupted in thecentral US. The storms are due to the fact that, after eachblast of cold air passes, a strong flow of warm, humid airdevelops, surging up from the Gulf of Mexico. Then the nextcold wave comes, with explosive results all along the front.In the past, winter tornadoes were rare, but now they’rekillers. What can we expect in the future?
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