2. What is the Kyoto Treaty?  The Kyoto Treaty is a contract that propose the nations to reduce emissions of greenhouse gases.  The treaty was proposed in 1997, at Kyoto, Japan.  The agreement needs to be signed by countries responsible for at least 55% of the world's carbon.

3. The percentage of pollution caused by each country:

4. Unforeseen  In march, 2001, the president of USA announced that the Amerincan States would never sign it.  Ten years later of the first contract, make officially in Germany, 2002, just 2% of the pollution was reduce.

5. The treaty today  This year a decision should be taken about the second commits periods, but many rich countrys, including Japan, Russia and Canada, do not favour a second commitment period.

6. By: Júlia and Marcela