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Clay Dillow writes about science, technology and business for publications including CNBC.com, Fortune and Popular Science.
Renewable energy should come of age in 25 years. On the horizon: harnessing solar power from space and nuclear fusion technology.
Innovators are blazing a trail for human travel to the moon, Mars and beyond. Up next: spaceplanes, inflatable space stations and colonies.
Investors are down on coal as institutions divest fossil fuel stocks and Obama gets tough on emissions. Maybe it's a good time to invest.
It's time to crank up the AC, but in this age of smart grids and smart meters, most utilities still have a frustratingly low technology IQ.