2015 Event The death toll rises to 104 from a massive explosion three days ago at a warehouse containing hazardous chemicals in the port of Tianjin, China; 720 were also injured in the disaster 2014 Event New York Governor Andrew Cuomo announces a ban of hydraulic fracturing, also known as fracking; the technique, used to extract natural gas and oil, requires injection of chemicals, sand and water at high pressure underground, posing environmental concerns 1991 Event Supreme Court rules unanimously employers can't exclude women from jobs where exposure to toxic chemicals could potentially damage fetus 1986 Event Fire in Sandoz-factory Basel, 30 tons of chemicals in the Rhine 1930 Event Air-borne chemicals combine with fog to kill 60 (Meuse Valley Belgium)
