Biofuels and Their Effects on Water Resources

Influence on Biofuels and their Water Resources Due to the reduction of greenhouse gas emissions, trade balance and geopolitical concern, and the surging price of crude oil, countries around the world need to build large sustainable alternative energy I am taking a step. . Demand for biofuels continues to increase to meet more sustainable energy demand. As demand increases, demand for water increases. It is a limiting factor for food production in many parts of the world.

Concerns about biofuels are often concentrated on the fact that they are agricultural products. An important problem with biofuels is that crops cultivated for fuel production compete with other natural resources, especially food and water. As the first generation of biofuels used only food crops, biofuel crops have replaced local food sources in some areas. Paying subsidies to these crops in many parts of the world will only expand these problems. Furthermore, the growth of all forms of agriculture is often accompanied by concerns about deforestation, water, and fertilizer use, all of which bring about its own environmental and climatic impact.

Crops that grow biomass and biofuel energy may put pressure on water resources in specific areas depending on crop type, plant location, agricultural production in that area, and current water and nutrient management methods . As a number of factors are involved, further research is needed to understand how climate change affects these resources. Increased temperature, increased evaporation, drought may increase the need for energy intensive methods to provide drinking water and irrigation water. For example, desalination plants can convert salt water to fresh water, but consume a lot of energy. Especially in the arid region of the western part of the United States, it may be necessary to lengthen the irrigation distance by climate change.

Competition between these two resources occurs between fuel and edible crop production, as commercial biofuels require fertile land and water resources. In addition, large-scale single-cultivation of alien species leads to loss of biodiversity, but the biofuel project is not targeting biofuels to use areas around Africa, but rather water resources. There is a great relationship between the ability of the country to produce food and the availability of renewable water resources. The concept of "water footprint" was introduced to obtain consumption-based water usage indicators that can be used to provide useful information. The water footprint is defined as the total amount of freshwater used to produce the goods and services consumed by the people of the country.