THIS SUBJECT IS VERY IMPORTANT, EVERY PRESIDENT, EVERY MINISTER, EVERY GOBERMENT MUST PARTICIPATE IN THE SOLUTION ,THEY MUST TO TAKE MEASURES LIKE., LESS USE OF OIL, LESS USE OF COMBUSTION ENGINES, MORE CONTROL OF FACTORIES AND THEIR WASTES., DEFORESTATION OF JUNGLES LIKE, AMAZON JUNGLE, THE WOODS IS SUFERING THE SAME DESTINY, AND THE PRIME MINISTER GORDON BROWN IN THE LAST MEATING OF G20 DON'T MAKE A REAL RESOLUTION OF THIS TOPIC, BUT IS NOT ONLY HIM, ALL COUNTRYS DO THE SAME ACTION, FOR EXAMPLE THE U.S. PRESIDENT BARAK OBAMA, HE IS MORE CONCERN FOR THE NOBEL PRICE, !OH MY GOD, ANOTHER PROBLEM IS THE NUCLEAR TESTS OF NORT KOREA AND MORE RECENTLY IRAN, WE CAN'T FORGET THE POLUTION OF THE OCEAN'S AND LOST'S OF MANY SPECIE'S, THIS ARE A FEW REASONS FOR THE CHANGE, OUR CHANGE, THANK YOU AND GOOD LUCK EVERYBODY.