New Orleans’s recovery five years on from Katrina is a harbinger of how climate change will drive a thicker wedge between the haves and the have-nots, says John Mutter.
At the end of the last ice age, rising atmospheric CO2 levels coincided with a decline in radiocarbon activity, suggesting the release of highly radiocarbon-depleted CO2 from the deep ocean to the atmosphere.
A panel of scientists could help resolve a festering environmental dispute between Argentina and Uruguay. The controversy, over a paper-mill complex on the Uruguayan side of a shared river, has sparked years of protests.
Air pollution can cause a widespread haze in the Arctic. A study of the lower atmosphere there suggests that haze particles might take up free radicals, and so extend the lifetime of air pollutants in the region.
After months of gloom, a report on the fate of the oil from BP's Deepwater Horizon spill offered a rare piece of good news. "At least 50% of the oil that was released is now completely gone from the system," said Jane Lubchenco, administrator of the National Oceanic and Atmospheric Administration (NOAA), at a White House press conference on 5 August.
Although largely unregulated, genetic tests are increasingly used to diagnose conditions, map ancestry or predict disease risk. In this, the first of two related pieces, Arthur L. Beaudet advocates the US Food and Drug Administration banning direct-to-consumer medical tests but leaving the analysis of clinical diagnostics to specialists.
Although largely unregulated, genetic tests are increasingly used to diagnose conditions, map ancestry or predict disease risk. In this, the second of two related pieces, Gail Javitt argues that the US Food and Drug Administration should implement a regulatory framework for all health-related tests. In the first, Arthur L.
