This Calculator should be used as an estimating tool ONLY. 1  Enter the dimensions below to calculate how many bags of concrete you need. After entering the dimensions of the pad, click on Calculate and the calculator will provide you with the amount of concrete. 2  ft in. 3  ft in.  ft in.
According to the International Renewable Energy Agency (IRENA), renewable energy employment in the United States reached 724,000 jobs in 2014, a 16 percent increase from the previous year (IRENA does not include large-scale hydropower in their estimates).
Jobs in other segments of the value chain continue to grow, as solar PV deploy-ment expands rapidly. In 2013, IRENA estimates that there were as many as 2.3 million PV jobs worldwide, up from 1.4 million in 2012.Liquid biofuels. The next largest number of jobs, 1.45 million, is in the liquid biofuels value chain, including ethanol and biodiesel.