(Source: IWMI Flickr Photos/flickr)

Unveils the world's biggest solar farm and an industrial plant that converts CO2 emissions into useful chemicals.

(Source: Tree Hugger)

Powered by solar and wave energy, boat glides two feet above surface.

(Source: RIBI Image Library/flickr)

Over 24,000 children in sub-Saharan Africa die of misdiagnosis annually.

(Source: Derek E-Jay/flickr)

Breakthrough could save thousands in need of complex blood transfusion.

(Source: US Embassy/flickr)

Aviation experts skeptical of design that's full of technical oversights.