14/03/2015
La intención no es lo que cuenta.
http://www.sciencedaily.com/releases/2015/03/150304104354.htm
Engineers propose a new 600-ton threshold that could indicate when switching to 'low carbon' alternatives may actually increase emissions. Although regions may welcome "green" technology like electric vehicles, high-speed rail and geothermal heating, they aren't green if the electricity to power the…