Ozone contact tanks are critical components of water treatment systems, where the judicious design of reactor geometry and flow dynamics ensures effective disinfection with minimal formation of ...

Federal prosecutors and Colorado health officials on Monday targeted PDC Energy, one of the largest oil and gas drillers along the Front Range, alleging the company has for years violated clean-air ...

Massive wildfires that raged across southeast Australia in 2019–20 unleashed chemicals that chewed through the ozone layer, expanding and prolonging the ozone hole. A study, published today in Nature, ...

Getting your Trinity Audio player ready... Federal prosecutors and Colorado health officials on Monday targeted PDC Energy, one of the largest oil and gas drillers along the Front Range, alleging the ...