A better understanding of crop yields under climate change

You don't need a Ph.D. in agriculture to know that water is critical to crop production. But for years, people like Jonathan Proctor, who has a Ph.D. in Agriculture and Resource Economics from the University of California ...

Low-cost device can measure air pollution anywhere

Air pollution is a major public health problem: The World Health Organization has estimated that it leads to over 4 million premature deaths worldwide annually. Still, it is not always extensively measured. But now an MIT ...

In Global South, urban sanitation crisis harms health, economy

Cities in the "global south"—densely populated urban areas that are part of low-income countries in Asia, Africa and Latin America—should phase out pit latrines, septic tanks and other on-site methods of human waste management.

Why researchers are mapping the world's manure

Farmers rely on phosphorus fertilizers to enrich the soil and ensure bountiful harvests, but the world's recoverable reserves of phosphate rocks, from which such fertilizers are produced, are finite and unevenly distributed. ...

New study analyzes land tenure in Ghana

In August 2018, the local government of Accra, Ghana, in West Africa, appropriated 1,800 homes for demolition to make way for, among others, tomato retailers. Officials had already begun plotting the land for its new use ...

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