The continental U.S. experiences small earthquakes every day. But over the past few years, their numbers have been increasing. Geoscientists say the new epidemic of quakes is related to industrial wastewater being pumped into underground storage wells.
Now there's new research that reveals two trigger mechanisms that may be setting off these wastewater quakes — other, larger earthquakes (some as far away as Indonesia), and the activity at geothermal power plants.
The Senate voted Monday to approve its version of the farm bill, a massive spending measure that covers everything from food stamps to crop insurance and sets the nation's farm policy for the next five years.
The centerpiece of that policy is an expanded crop insurance program, designed to protect farmers from losses, that some say amounts to a highly subsidized gift to agribusiness. That debate is set to continue as the House plans to take up its version of the bill this month.
There are now reports that as many as 18 people died from injuries they received Friday when the latest in a weeks-long series of tornado-spawning storms tore through parts of Oklahoma.
Update at 8:50 p.m. ET. Death Toll Revised:
An update from Oklahoma's Department of Emergency Management Monday evening reports that 12 adults and 6 children died in Friday night's storms, NPR Southern Bureau Chief Russell Lewis tells us. Officials say that they haven't identified all of the victims. Our original post continues: