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...range - well above the $140,000 to $170,000 similar properties commanded before Katrina. Kammer's selling points include the fact that towns like Picayune and Poplarville, about 50 miles east of New Orleans, are on rolling land - he is hesitant to call it "hills" - about 35 feet above sea level. "Come on up," he's telling prospective buyers pushing for appointments today and tomorrow. Some Louisianans, like New Orleans' Dabon, are looking even farther. "If I could take New Orleans and put it around Montana, I would," she says...
...rise. So far that doesn't seem to be the case, with the overall number of storms worldwide holding about steady - in fact, some scientists argue that warming might actually bring about a reduction in the overall frequency of storms. But the Nature paper argues that warmer sea-surface temperatures will result in stronger storms, because hotter oceans mean the developing storms can draw more warm air, which powers the storm. "Hurricanes are driven by the transfer of energy from the ocean to the atmosphere," says Kerry Emanuel, a meterologist at the Massachusetts Institute of Technology. "As water warms...
...tropical ocean temperatures have risen by about 0.5 degree C since 1970, which could explain the more powerful storms. The Nature researchers estimate that every 1 degree C increase in sea-surface temperature would result in a 31% increase in the global frequency of category 4 and 5 storms. Given that computer models indicate that ocean temperatures could rise by up to 2 degrees C by 2100, those are scary calculations. It's especially worrying because the most intense storms do the most damage by far - several minor storms can equal the damage of a single severe hurricane. "The category...
...model precisely how future warming might affect the formation of storms. Climate models work well on a global level, but they can rarely be applied accurately to areas smaller than 200 square miles - which happens to be larger than many storms. "It's not just a simple relationship with sea-surface temperatures," says Curry. "It's more complicated than that. We need the models to get a lot better...
...abundance of jungle animals is due to Rio's spectacular setting, caught between sea and serra, with the central hills and northern suburbs carved out of - and still split by - the Atlantic Forest. The western suburbs, meanwhile, are bordered by a swamp system whose most famous inhabitants are denoted by the area's indigenous name, Jacarepagua, or Alligator Harbor...