...concentrations (e.g., 450 parts per million) and/or long-
term emission reductions (e.g., emission reductions of 50% by 2050) . • Mid-
term emission reduction targets for developed countries, expressed either as an absolute number (e.g., reductions of 20% by 2020) or as a range (e.g., 16-23%). • Policies and measures by major developing countries such as China, India, Brazil, Indonesia and South Africa. • Financial commitments/pledges by Western countries to assist mitigation and adaptation actions by developing countries. • Decisions addressing adaptation, technology transfer, REDD (reductions in emissions from deforestation and degradation),...