Unsafe levels of toxins in drinking water in northwest Ohio are linked to algae blooms in Lake Erie. The blooms are fed by agricultural runoff, but that's not the full story.
Former football player Mark Batchelor speaks on his mobile phone, bearing a photo of the late Reeva Steenkamp, as he sits in court after Oscar Pistorius' sentencing in Pretoria, South Africa. Pistorius was given a five-year prison sentence for culpable homicide for the killing of his girlfriend, Ms. Steenkamp, last year.
Cattle generate twice as much methane as the EPA supposed, according to a new report. The study's findings may also change assumptions about the safety of extracting natural gas, which consists primarily of methane.