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Protection from terrorism affects far reaches of Montana
When you think of terrorism and preparations for terrorist attacks, you think of big cities; the remote precincts of Montana, however, are not exempt; the local inhabitants, who foot the bill for local homeland security, want to know whether rural dams are really terrorist targets
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New curved laser beams may be used to lessen threats of thunderclouds
U.S. physicists have created the first curved laser beams; the laser’s plasma channels could be used to control lightning strikes by firing laser pulses into thunderclouds
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New concept for New York, New Jersey storm barriers
With worries about rising sea level and more intense storm, British engineering firm Harlow offers a new concept for protecting New York City and parts of the new Jersey coast against storm surges
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Mathematicians provide new insight into tsunamis
The number and height of the tsunami waves hitting the shoreline depends critically on the shape of the initial surface wave in deep water; from this it is possible to work out whether a “trough” or a “peak” is the leading wave
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New ideas for deflecting Earth-threatening asteroids
As scientists use better equipment to make more accurate observations of space, they find more Earth-threatening objects loitering in Near Earth Orbit; a debate is growing as to the best method to deal with this threat
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New Madrid fault system may be shutting down
Researchers find that the New Madrid fault system, which includes parts of Illinois, Indiana, Tennessee, Arkansas, and Kentucky, is shutting down; major earthquake in the region may be avoided
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New York City is especially vulnerable to rise in sea level
Although low-lying Florida and Western Europe are often considered the most vulnerable to sea level changes, the northeast U.S. coast is particularly vulnerable because the Atlantic meridional overturning circulation (AMOC) is susceptible to global warming
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U.S. searching for a nuclear waste graveyard
Congress has killed the Yucca Mountain nuclear repository project, so the United States has no central location for storing nuclear waste; 50,000 metric tons of toxic nuclear waste that has already been produced by the U.S. nuclear plants; 30,000 metric tons more of nuclear waste is expected to be generated in the coming decades
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Dire climate scenario: Mass migrations and war
Lord Nicholas Stern, the eminent economist, says severe climate shifts and sea-level rises would “transform where people can live”: “People would move on a massive scale. Hundreds of millions, probably billions of people would have to move if you talk about 4-, 5-, 6-degree increases” (7 to 10 degrees Fahrenheit)
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Doomsday seed vault's stores are growing
In 1903, U.S. farmers planted 578 varieties of beans; by 1983 just 32 varieties remained in seedbanks; 46 countries collaborate to rescue some 53,000 of the 100,000 crop samples identified as endangered
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New threat to Earth: "Dark" comets
There are 5,000 known near Earth objects (NEOs) orbiting between Mars and Venus, of which 789 have been identified as potentially hazardous objects because they might pass within 5 million miles of Earth; scientists say that with better observation techniques, we will likely find at least 66,000 NEOs, of which 18,000 will be potentially hazardous objects; scientists now say that there are also about 3,000 dark comets buzzing around, of which only 25 are known
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Ocean water rising unevenly; Washington, D.C. may be submerged
Rather than spreading out evenly across all the oceans, water from melted Antarctic ice sheets will gather around North America and the Indian Ocean;this is bad news for the U.S. East Coast, which could bear the brunt of one of these oceanic bulges
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The global consequence of a regional nuclear war
The world should be worried about a regional nuclear war between India and Pakistan because the consequences of such a war will be anything but regional; scientists say that one billion people may starve to death around the world, and hundreds of millions more will die from disease and conflicts over food
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How long will the world's uranium deposits last?
At current consumption rates, the planet’s economically accessible uranium resources could fuel reactors for more than 200 years; further exploration and improvements in extraction technology are likely to at least double this estimate over time; if we extract uranium from seawater, and build breeder reactors, then supplies will last 30,000 to 60,000 years
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ScanEagle offers and example of dual-use technology
Initially developed to track dolphins and tuna from fishing boats in order to ensure “dolphin-safe” tuna in supermarkets, the ScanEagle UAV system has evolved into a mainstay with the U.S. Navy — and others as well
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More headlines
The long view
Huge Areas May Face Possibly Fatal Heat Waves if Warming Continues
A new assessment warns that if Earth’s average temperature reaches 2 degrees C over the preindustrial average, widespread areas may become too hot during extreme heat events for many people to survive without artificial cooling.