World and Nation
Study Finds Mega-Droughts in Africa in Past
For at least 3,000 years, a series of potent droughts, far longer and more severe than any experienced recently, have seared a belt of sub-Saharan Africa that is now home to tens of millions of the world’s poorest people, climate researchers report in a new study.
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D-Lab Research Center Targets Developing Countries
Beneath the bustling “infinite corridor” linking buildings at the Massachusetts Institute of Technology, just past a boiler room, an assemblage of tinkerers from 16 countries welded, stitched and hammered, working on rough-hewn inventions aimed at saving the world, one village at a time.
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MIT-Affiliated Research Center Builds an Energy-Saving City
In an ever more crowded world facing environmental limits, the push is on to create entire communities with reduced needs for energy, water, land and other resources.