Colleen O’Neil, of the Mountain Watershed Association, fixes a crooked sign posted near a landfill's discharge pipe that flows into Sewickley Creek in Yukon, Pa. Credit: Scott Goldsmith/Inside Climate ...

Fracking is an extreme method of oil and gas extraction that involves blasting huge amounts of water — mixed with sand and toxic chemicals — under high pressure deep into the earth. Fracking breaks up ...

If it seems life has become extra fractious and divisive lately, it could be human illusion. Historians say we’ve long been a fractious species — covetous, prideful, wary of harmony and fond of war.

Colleen O’Neil, of the Mountain Watershed Association, fixes a crooked sign posted near a landfill's discharge pipe that flows into Sewickley Creek in Yukon, Pa. This article originally appeared on ...