Science Apr 18

10 years after BP spill: Oil drilled deeper; rules relaxed

Ten years after an oil rig explosion killed 11 workers and unleashed an environmental nightmare in the Gulf of Mexico, companies are drilling in deeper and deeper waters, where payoffs can be huge but risks are greater than ever.

Nation Feb 03

Minnesota regulators approve Line 3 oil pipeline replacement

Minnesota utility regulators have put Enbridge Energy's plan to replace its aging Line 3 crude oil pipeline back on track. They voted 3-1 to approve a court-ordered revised environmental review and reinstate two key approvals that the company needs to…