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...from saving the world, the Copenhagen Accord only begins the battle - diplomats will start almost immediately fighting over its details and working towards a better treaty. If a true compromise is an agreement that makes everyone leave the table a little unhappy, but offers them enough reason to keep the process going, Copenhagen achieved that much. Credit should go to President Obama, who arrived in Copenhagen with the negotiations in shambles and forced through what may have been the only deal within reach. For that, of course, he will also get the blame. Outside the Bella Center as delegates departed...
...striking as the new figure is, it's not clear how much of the rise reflects a true increase in ASD risk and how much is due simply to improved awareness and diagnosis of the disorders. Increased access to special education classes and other therapies may also be inflating the numbers, as educators and parents enroll more children in hopes of optimizing their learning environment. Indeed, CDC researchers found that among sites where they had access to both health and education records, the prevalence of ASD was higher on average than in sites where only health information was available...
These were some of the thoughts I shouted to myself while sitting through The Morgans. But the ordeal did help me realize my true calling: I'm your critical Early Warning System. I see movies so you don't have to. And, I have to admit, it beats working. See TIME's review of Avatar...
...reason for the higher estimate is simply that scientists had more data to work with. Most studies of ancient sea level focus on a specific area of the globe. But local sea levels, then and now, do not give a true picture of the global average sea level, which is what really matters. Lots of factors can affect regional sea-level variability, including winds and local currents that push water consistently toward or away from a particular shore. "One of the biggest effects," says the study's lead author, Robert Kopp, who did his research during a postdoctoral fellowship...
Evidently not, though. To get a true picture of worldwide sea levels, Kopp and his colleagues gathered data from a wide range of individual studies to put together a global picture. "We reviewed data from 40 sites," he says, including evidence from ancient coral reefs, eroded beaches and telltale sediments laid down in the ebb and flow of 125,000-year-old tides. The bottom line: local effects and faulty assumptions may have led to an underestimate. "It's unclear," says Kopp, "why the Southern Hemisphere would have been warmer than we thought." It may have to do with changes...