Not only is coal a relatively dirty form of fossil fuel, compared to cleaner natural gas, but natural gas - fired power plants also play better with intermittent wind and solar. (greentechmedia.com)
With prices for renewables dropping, many countries in Africa might leap past dirty forms of energy towards a cleaner future (scientificamerican.com)
While solar panels reduce their users» electricity bills right away, solar adopters are also increasingly aware of how their energy investments are offsetting dirtier forms of electricity. (scientificamerican.com)