A major UK trial of a controversial feed additive designed to reduce emissions of planet-warming methane gas by dairy cows has ended. Arla Foods, owner of the UK's largest dairy co-operative, is now ...

In the dense forests of northwestern Pennsylvania, hundreds of thousands of retired oil and gas wells—some dating back to the mid-1800s, long before modern construction standards—dot the landscape, ...

For a gas stove, the annual fiscal cost (hospital bills) is $129 per household. But the economic cost (the societal value of lost life and health) is $9,058. In other words, the ones that bear the ...