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world population by rc chandna pdf The world population has exceeded 7.7 billion people. It is predicted to reach 9.8 billion people by 2050, which will cause some pretty drastic changes in infrastructure and the global economy. With more than 80% of the world’s population living in urban areas, cities need to plan for housing, transportation, and energy sources for current and future residents. One way they can take control of their own destiny is by planning for renewable energy options like wind or solar power. The future of energy is uncertain. With natural gas reserves running low, there are many that argue that the next step for solving the energy crisis is renewables like wind and solar power. While these options are clean, they are still relatively expensive compared to traditional fossil fuels. As people continue to flock to cities, though, they will need new options for power sources. Governmental leaders need to be able to educate their citizens on why these alternate options are more sustainable than coal or natural gas if they want their urban areas to move forward with them. One way leaders can do this is by creating maps that show their citizens where renewable energy can be found in their areas. Numerous government agencies and private companies have begun creating these maps to show citizens where they can find renewable energy. This allows residents and businesses to take advantage of the options while planners can use these maps to understand where their populations are moving. The United States is one of the most developed nations in the world, meaning there are countless resources for cities to use when planning their growing communities. While many have begun investing in wind power, there are still some that have not even started looking at how it can be used on a large scale. To help educate planners on how energy works, they should be doing research on what type of energy sources will work best in different areas of the country. Currently, the United States gets about 10% of its power from renewable sources. While that is a large number and provides a good start for moving towards sustainable energy sources, it is still only a fraction of its total energy needs. With plans to increase the number of wind turbines along the coasts and in areas with lower population densities, city planners will need to make sure new developments are in areas where renewable energy can be used. This will allow them to create their own, sustainable power while giving them an opportunity to plan for future growth. Maps like the one created by the US Department of Energy allow citizens and business owners to be aware of the changes that are coming to their communities. As more cities invest in renewable energy resources, city planners will need to create plans for these new areas. It will also help them to understand where their populations will be moving and what they need for future growth. https://www.ncbi.nlm.nih.gov/pubmed/20372522http://scholarcommons.usfca.edu/cgi/viewcontent.cgi?article=3821&context=etd_honors_theseshttps://www0.usaid. cfa1e77820
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