What is the Kyoto protocol and has it made any difference?

The Kyoto protocol calls for reductions from 2008 to 2012.

From its start in 2005, when the Kyoto protocol finally came into force, to 2009 the system generated a total of $25bn for developing countries.

Germany has become one of the leaders in the efforts to fulfill the Kyoto protocol.

I mean we are the only country that never ratified the Kyoto protocol.

- The Kyoto protocol, though it will remain in force until either 2017 or 2020, is now a dead letter.

A very important result so far has been the Kyoto Protocol.

The Kyoto Protocol is an important step in this process.

We all know there are problems with the Kyoto Protocol.

The first commitment period under the Kyoto protocol expires in 2012.