Geothermal energy has great potential as a long-term, climate independent resource that produces little or no greenhouse gases and does not consume water. There needs to be much more support for the development of less water-intensive renewable energy, such as hydropower and wind. Governments must increase renewable energy sources. UN Photo/Anne Lydia Sekandi The way forward As water becomes more scarce and stretched, its ability to support progress in several of the SDGs, particularly on poverty, hunger, sustainability and the environment, is being reduced. Pressure on the water-food-energy nexus threatens the Sustainable Development Goals (SDGs). The vast majority of energy generation is water intensive, such as its use in coal-fired power plants and in nuclear reactors, and in bio-fuel crop production. Agriculture is the largest consumer of the world’s freshwater resources, and more than one-quarter of the energy used globally is expended on food production and supply. There is a significant global move away from a mainly starch-based diet to an increasing demand for more water-intensive meat and dairy as incomes grow in many countries.įood production and energy are highly water intensive. Pressure on the nexus is being driven by a rising global population, rapid urbanization, changing diets and economic growth. UN Photo/ Patricia Esteve The issue explainedĭemand for water, food and energy is increasing.
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