After the fall of the Berlin Wall, the rise of China and the Arab spring, American energy independence looks likely to trigger the next great geopolitical shift in the modern world. U.S. reliance on the Gulf for its oil — and its consequent need to maintain a dominant presence in the Middle East to keep the oil flowing — has been one of the … Read More
As the climate warms, scientists expect an increase in droughts around the world, causing all sorts of problems for water supplies, agriculture, and energy production. Forests will be affected too, naturally, but a new study released Wednesday in Nature shows just how widespread the effects could be. After looking at 226 tree species at 81 … Read More
As NYC residents rebound from Hurricane Sandy, many anticipate future disasters and how the city will cope with rising seas.… Read More
The next-generation of polar orbiting satellites, known as the Joint Polar Satellite System, or JPSS, has been delayed by mismanagement, billions in cost overruns, and technical development challenges. This has pushed back the launch date of the next polar orbiting satellite to 2017 at the earliest, which is past the design lifetime of the youngest… Read More
There are many reasons why this winter is likely to play out differently than last year, chief among them being the conditions in the equatorial tropical Pacific Ocean. Last year there was a strong La Niña event, with much below average sea surface temperatures in this region.… Read More
The amount of heat-trapping carbon dioxide in the atmosphere reached a record 390.9 parts per million (ppm) in 2011, according to a report released Tuesday by the World Meteorological Organization (WMO). That’s a 40 percent increase over levels in 1750, before humans began burning fossil fuels in earnest. Although CO2 is still the most significant… Read More
The consequences of the record loss of Arctic sea ice this past summer are becoming clear to the 4,000 or so residents of Barrow, Alaska, who have seen a much milder and snowier-than-average start to their typically long and bitterly cold winter season. As is typical for this time of year, much of Alaska has already been plunged into winter … Read More
For western Colorado ranchers, the decision to sell cattle during tough times can hinge on a flower. Local cattle have developed immunity against the poisonous larkspur that live among more edible grasses. So a rancher culling a herd he can't afford to feed faces a problem restocking once economics improve: The replacements may die if they binge on… Read More