17 November 2010: The Heads of Government of Cambodia, Lao PDR, Myanmar, Thailand and Viet Nam, meeting in Phnom Penh, Cambodia, on 17 November 2010, for the fourth Summit of the Ayeyawady-Chao Phraya-Mekong Economic Cooperation Strategy (ACMECS), adopted a declaration addressing agricultural, energy and environmental cooperation, among other items.

In the Phnom Penh Declaration on the ACMECS, leaders commit to strengthen cooperation in technology transfer and information sharing in the field of agriculture, forestry, fisheries, livestock and aquaculture to increase productivity, food security and food safety in ACMECS countries, and enhance cooperation in biofuel crop production.

On energy, leaders commit to: enhance development and encourage technology transfer and information sharing on the production, energy efficiency technologies and use of bioenergy and renewable energy such as biomass, biofuel, solar, wind, mini-hydro and other locally-available energy; promote best practices and appropriate standards in ACMECS countries; and encourage cooperation on energy efficiency and conservation and rural electrification expansion.

On environmental cooperation, leaders commit to: integrate environmental goals into all ACMECS projects on economic development; strengthen cooperation among ACMECS countries on environmental conservation and sustainable use of natural resources of the Ayeyawady, Chao-Phraya and Mekong Rivers; strengthen cooperation between ACMECS countries and regional and international institutions on environmental matters, including global warming, air pollution, climate change adaptation and mitigation, water resources management, and reducing emissions from deforestation and forest degradation in developing countries (REDD). The fifth ACMECS Summit will be held in Lao PDR in 2012. [Phnom Penh Declaration]