UN warns against thirsty tech to solve water crisis

The world needs to better manage its freshwater resources but thirsty new technologies touted as solutions could lead to "serious problems" if left unchecked, a UN report warned Friday.

Why climate change is a national security risk

Climate change is affecting practically everything on Earth, from natural systems to human endeavors. National security is no exception. The National Intelligence Council has found that "climate change will increasingly exacerbate ...

Will solar panels work at Proxima Centauri?

Solar panel technology has advanced significantly in recent years, to the point where solar energy is the fastest-growing renewable power source. The solar panels we have today are a by-product of those used in space.

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