Human activities are contributing to global climate change, especially through the emission of greenhouse gas (GHG). In order to address this environmental challenge, the international community is attempting to slow the emissions growth and to adapt to this new situation. The Kyoto Protocol outlines the role that both developed and developing countries should play in the climate change response. One of the conclusions of a paper by the OECD looking at this process is that more commitment should be put in energy, transport and natural resource management in order to realise greenhouse gas reductions at sustainable costs.