The current world is undergoing a very serious problema, it that is climate change.
In 2005 the increase in temperature on the planet was 0.8 ° C. There is a critical temperature should not exceed 2 ° C and is, these 2ºC is known as critical threshold. An increase of 5 ºC, change life on the planet as we know it and more than 25% of the cities would be submerged 7 m below the sea level.
It is said that an increase of 6 ° C cause the extinction of the human being. We must take measures to counteract the current pace of climate change by 2015, or if not the temperature increase on the planet will be unstoppable.