SCIENCE IN THE NEWS DAILY
L.A. OKs Ban on Plastic Bags at Checkout
from the Los Angeles Times (Registration Required)
Los Angeles became the largest city in the nation to approve a ban on plastic bags at supermarket checkout lines, handing a hard-fought victory to environmentalists and promising to change the way Angelenos do their grocery shopping.
The City Council voted 13 to 1 to phase out plastic bags over the next 16 months at an estimated 7,500 stores, meaning shoppers will need to bring reusable bags or purchase paper bags for 10 cents each.
The ban came after years of campaigning by clean-water advocates who said it would reduce the amount of trash in landfills, the region's waterways and the ocean. They estimate Californians use 12 billion plastic bags a year and that less than 5% of the state's plastic bags are recycled.
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PODCASTS: Expanding With the Cosmos
Using the Atacama Cosmology Telescope (ATC), a 6.5-meter microwave collector in Chile, cosmologists are piecing together the early history of the known universe. In an exclusive American Scientist interview, Arthur Kosowsky—a member of the ATC team and a professor in the Department of Physics and Astronomy at the University of Pittsburgh—discusses how he is using ATC to reach back in time billions of years to search for gravitational waves that could verify inflation and reveal unprecedented details about how the cosmos was born.
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