Under the document, the two sides will coordinate to prevent and control illegal logging, mining, wildlife hunting, and timber and wildlife trade along the shared border areas.
The localities will work on inspecting and supervising the import and export of forest products and wildlife, and educating local communities on the importance of forest management and protection, and wildlife conservation.
They are seeking funding from international organisations to restore wildlife populations that are on the verge of extinction.
According to Lao media, the two nations have had long-lasting cooperation in many development areas of Laos, especially in ago-forestry collaboration.
Last year, Vietnam and Laos agreed to strengthen comprehensive cooperation in agriculture, forestry, and rural development, focusing on applying technologies, training human resources and investing in trade development.
They have cooperated in a series of agro-forestry projects, including those to support agricultural and rural development and poverty reduction models in Houaphanh and Xiengkhuang provinces of Laos.
Vietnamese and Lao authorities are also developing a master plan for flood prevention and drainage to ensure food security in central Khammouane and Savannakhet provinces of Laos.