The National Transportation Safety Board will seek answers from PG&E officials over the next three days about the San Bruno gasline explosion last September. Specifically, safety officials will try to determine why PG&E lacked any automatically controlled valves to shut off the gas, which gushed uncontrolled for more than an hour. [San Francisco Chronicle]
It’s been a point of maddening frustration for scientists and environmentalists that as the predictions on global warming grow more dire, the public seems...
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