Article 2: Activities that Annex 1 countries should take to meet their commitments
2.1 This sub-paragraph lists a number of activities that Annex 1 nations can undertake to achieve their "quantified emission limitation and reduction commitments" (QUELROS). These activities are: enhancement of energy efficiency; protection and enhancement of sinks and reservoirs of greenhouse gases not controlled by the Montreal Protocol and promotion of sustainable forest management, afforestation and reforestation; promotion of sustainable agriculture;