Environment

Scientists say comet killed off mammoths, saber-toothed tigers
There is a consensus in the scientific community that the dinosaurs dies off 65 million years ago as a result of a meteorite hitting Earth, sending heavy clouds of smoke and soot which blocked the sun for months, leading to the death of plants on which dinosaurs relied for food; researchers say that 12,900 years ago, a shower of meteorites hitting North America caused the extinction of mammoths, saber-toothed tigers, and other large mammals
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Alps laboratory tests methods of storing nuclear waste
Two test tunnels in Switzerland are used to study methods of storing nuclear waste; many scientists from around the world take part in the research
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Scientists seek ways to ward off killer asteroids
The U.S. Congress has tasked a blue-ribbon panel of scientists with two missions: Find better ways to detect and deflect asteroids that might hit Earth; more than 5,000 near Earth objects, including 789 potentially hazardous objects, have been identified so far
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Sun Belt residents more likely to die in natural disasters
People who live in the U.S. Sun Belt — that is, in the southern part of the country — are much more likely to die of natural disasters than their fellow countrymen on live in the north; “small” disasters such as heat waves, floods, and ice storms kill many more people to headline-grabbing hurricanes and tornadoes
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Radioactive-waste tracking software deployed at U.K. nuclear sites
The radioactive-waste tracking software developed by Tennessee-based AttentionIT will be deployed in decommissioned U.K. nuclear facilities; the waste tracking software provides electronic storage of information related to “cradle to grave” treatment of radioactive and mixed waste
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Trains carrying hazmat collide in Minnesota
At least 40 cars were derailed and some went into the Mississippi River in an early morning crash in southeast Minnesota; liquid ammonia and propane are leaking from some of the cars
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Getting the coming investment in infrastructure right
America 2050 issues blueprint for infrastructure investment; guiding principles: Fix, Phase, Green, Train, Count
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Experts call for establishing near-earth asteroid surveillance network
Scientists have identified almost 6,000 near-earth objects (NEOs) whose orbits intersect with the Earth’s; five-hundred to 1,000 NEOs have a diameter of over 150 kilometers
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U.K. project examines the idea of a nuclear-powered passenger aircraft
As worries about the rising price of oil and climate change grow, so grows the interest in nuclear power — but not only for ground-based power generation; a U.K. government-funded project examines the idea of nuclear-powered passenger plane
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Sun's growing brightness a threat to Earth
The Sun is slowly getting brighter and warmer; in seven billion years it will engulf Earth — but much sooner, in 1.1 billion years, the Sun will grow 11 percent brighter, raising average terrestrial temperatures to around 50 °C, causing oceans to evaporate; the solution: move Earth away from the Sun
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China quake forces rethink over hazard maps
Following the Sichuan earthquake, in which more than 65,000 people died, researchers say that similar regions may also be in danger and that seismic hazard maps should be redrawn
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New analysis of earthquake zone raises questions
Oregon State University researchers offer a new analysis of an earthquake fault line that extends some 200 miles off the southern and central Oregon coast that they say is more active than the San Andreas Fault in California
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Can New York City's infrastructure handle climate change's consequences?
Mayor Michael Bloomberg sets up a panel of experts to examine whether NYC can cope with flooded subway tunnels, rising sea levels, intense heat, and other consequences of climate change
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Evidence of acid rain supports meteorite theory of Tunguska catastrophe
There are many theories about the source of the mysterious 1908 explosion in Siberia, an explosion which leveled more than 80 million trees over an area of more than 2,000 square kilometers; presence of acid rain lends support to one of them
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AMEC-led consortium to clean up Sellafield
Treating and cleaning nuclear waste is part and parcel of nuclear power generation; The U.K. government, a proponent of greater reliance on nuclear power, takes steps to deal with legacy waste problems
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