Nature World: Hydraulic fracturing, or "fracking," has gained popularity over recent years, and given the controversy over this practice, new research decided to lay out some of its environmental pros as well as cons.
Fracking involves blasting huge amounts of water, sand and chemicals deep into underground rock formations to access valuable oil and natural gas. While this is a form of alternative energy, it also has harmful environmental implications, influencing local air pollution, earthquakes and, especially,...