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Climate and Environment

Kansas oil spill biggest in Keystone history: U.S. data

A ruptured pipe dumped enough oil this week into a northeastern Kansas creek to nearly fill an Olympic-sized swimming pool, becoming the largest onshore crude pipeline spill in nine years and surpassing all the previous ones on the same pipeline system combined, according to federal data.

A remediation company deploys a boom on the surface of an oil spill after a Keystone pipeline ruptured at Mill Creek in Washington County, Kansas, on Dec. 8, 2022. (Kyle Bauer/KCLY/KFRM Radio via AP)

Fight to curb food waste increasingly turns to science

Restaurants, grocers, farmers and food companies are increasingly turning to chemistry and physics to tackle the problem of food waste. Some are testing spray-on peels or chemically enhanced sachets that can slow the ripening process in fruit. Others are developing digital sensors that can tell when meat is safe to consume.