HCFCs, PCFs, and SF6

Paper commissioned by the government of the United Kingdom on the effects on the global economy of climate change in the next 50 years. It was coordinated by World Bank economist, Sir Nicholas Stern, and published on October 30, 2006. One of the main conclusions of...

An irregularly occurring climatic phenomenon, but that usually occurs every three to five years. It is evident during the Christmas season (El Niño referes to "baby Jesus") on the oceanic surfaces of the eastern part of the tropical Pacific Ocean. The phenomenon...

It is the energy derived from sources that do not use exhaustible fuels (for example, water – hydroelectric power, wind – wind energy, Sun – solar energy, tides, and geothermal sources). Some combustible materials, such as biomass, can also be considered renewable....