Original sentence: Disputed costs and emissions include:.In 2004 the UK Royal Academy of Engineering reported on electricity generation costs for a new plant in the UK.This can be attributed to the continued public uneasiness with respect to nuclear power, as well as to the high capital and construction financing costs.While the calculated cost for Nuclear power competes favorably with alternatives, and the need for additional electricity is evident by the recent power shortages in California, free markets have not chosen to build new nuclear plants.While the market price for a commodity represents the cost at the point of purchase, it does not accurately reflect the total cost on society which is a matter of some speculation and much debate.emissions generated during processing.environmental impact.greenhouse gases produced by hydroelectric when organic material decomposes in the dams.intermittancy of wind power.necessary back-up.plant retirement.radioactive gases emitted by reactors.safety risks to the general public.spent-fuel disposition
Edited sentence: A UK Royal Academy of Engineering report in 2004 looked at electricity generation costs from new plant in the UK.Also not included in costs, hydropower produces large amount of greenhouse gases when organic matter decomposes in the dams.Proponents of nuclear power maintain that nuclear energy is the only power source which explicitly factors the estimated costs for waste containment and plant decommissioning into its overall cost, and that the quoted cost of fossil fuel plants is deceptively low for this reason.Proponents of nuclear-free energy assert that any of the environmental benefits are outweighed by safety compromises and by the costs related to construction and operation of nuclear power plants, including costs for spent-fuel disposition and plant retirement.The cost of many renewables would be increased if they included necessary back-up due to their intermittent nature