EPA proposal takes on health risks near US chemical plants

In what could prove a significant move for communities facing air pollution, the Environmental Protection Agency proposed on Thursday that chemical plants nationwide measure certain hazardous compounds that cross beyond their ...

New soil sensor may improve efficiency of crop fertilization

Measuring temperature and nitrogen levels in soil is important for agriculture systems but detecting them apart from one another is difficult to do. Huanyu "Larry" Cheng, James L. Henderson, Jr. Memorial Associate Professor ...

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 ...

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