Energy Probe

Barack Obama and Stephen Harper are all for carbon capture technology. Too bad it's not as green as it seems

Coal, chock-full of substances of known toxicity, epitomizes dirty fuel. The perils in coal burning – and this is an abbreviated list – include fly ash and heavy metals such as arsenic, lead, mercury, sulphur., vanadium, beryllium, cadmium, barium, chromium, molybdenum, zinc, selenium, radium, uranium and thorium. If these substances and their byproducts are not controlled in coal burning, to keep emissions within safe levels, human health and the environment can suffer.