2021-08-10 11:02:00 Exellent Case
In most developing countries, agricultural wastes are left untreated, which may cause environment pollution and animal-human disease transmission. Moreover, farmers have limited access to modern energy such as kerosene, liquefied gas and electricity, which leads to deforestation, water loss and soil erosion. Women and children are overburdened with low-value work, such as the collection of firewood and cow dung for cooking. Moreover, the overuse of chemical fertilizers is a threat to soil, ecosystem and human health. The above issues have impacted the sustainable development of the vulnerable small island countries such as Samoa.
Based on the common goal of tackling climate change and the energy shortage, some countries have independently or jointly developed biogas in the pursuit of their environmental, economic, health and social benefits. Since the natural environment and social conditions differ from region to region, and country to country, identifying the most suitable biogas model in a country is still a challenge