Energy sources of the (near) future ; Electricity can be generated in a near limitless number of ways — from massive nuclear plants to the smallest rooftop solar system. However, each particular method comes with its own set of costs and drawbacks.
Coal-fired plants, for example, emit harmful greenhouse gas emissions. Renewable sources like wind power have engendered community opposition because of concerns about potential health and environmental concerns. And in the wake of the recent earthquake in Japan — and subsequent radioation leaks — many are wary of nuclear power.