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Digesters convert livestock manure into electricity. Farmers can use it to power their operations or even sell some back to the grid. But some have found the technology too pricey to maintain.

Waukegan says goodbye to a coal plant but must now contend with its industrial waste.

The City of Bloomington recently approved the purchase of an armored security vehicle for use by police and the department's SWAT team. The Town of Normal has a tactical response team too, but the town is not likely to keep up with the Joneses.

Scientists have long wondered about how the potato's genetic lineage came to be. Now they know: The plants are a cross between tomatoes and a plant known as Etuberosum.

Natural gas companies face an existential threat as more governments and businesses move to tackle climate change. But a growing number have their own plans to decarbonize, by creating renewable gas.

Toni Van Pelt cites health concerns in stepping down from leading the National Organization for Women. An internal investigation found evidence of "governance issues" but not racial discrimination.

The "H is for Hawk" author talks about her new essay collection.

How many trees are there in the world? Some scientists are working on a new estimate.

The Trump administration seeks to roll back and delay dozens of regulations across government, including one to lower smog-creating ozone. Environmental groups are challenging the EPA in court.

Several news stories recently celebrated a new study suggesting global warming might enhance the taste of the beloved sweet. Sadly, that's not what it found at all, says the lead researcher.