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Environment

1/18/2017

Huckleberry Finn wouldn’t recognize today’s lower Mississippi River. Massive walls separate the river from low-lying lands along the bank, an area called the floodplain. Floodplains...

1/11/2017

The hottest months. The snowiest winters. Catastrophic floods and droughts.

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1/4/2017

Jennifer Weidhaas was teaching in West Virginia on January 9, 2014 when about 10,000 gallons of chemicals leaked into the Elk River. The concrete wall holding back the chemicals had eroded. The...

12/14/2016

In many parts of the world, lack of sufficient water makes it difficult – or impossible – to grow crops. Even in areas with enough water for farming,...

12/7/2016

The Earth’s critical zone isn’t called critical for nothing. Known as our planet’s outer skin, it is essential for human survival.

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11/30/2016

Corn farmers in Minnesota and across the northern Corn Belt often must plant in cold, damp spring soils that can slow early season growth. This can impact yield at harvest time -- and farmers...

11/2/2016

Name a current environmental challenge. Global climate change? Loss of endangered species? What about soil contamination?

Soil pollution rarely makes headlines, though it is a prevalent...

10/10/2016

There are more chickens in the United States than people in the entire world. Raising huge numbers of chickens generates large quantities of waste. This waste includes feces, feather, and bedding...

10/5/2016

In 1990, many streams in Northern Ireland were so polluted they couldn’t sustain fish. “Farmers said they were worried about their cows drinking from them,” says water scientist...

9/28/2016

North Dakota's oil boom can have a salty side-effect. Wastewater from oil drilling and hydraulic fracturing – or fracking – is often laden with salts and can spill, contaminating...