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A new study finds that corn-based ethanol might be worse for the environment than gasoline.
The city formally adopts the ReLeaf Cedar Rapids program to replace trees lost in the 2020 derecho.
MidAmerican Energy announces plans for a $3.9-billion renewable energy project in Iowa.
Those December tornadoes in Iowa might have been a sign of climate change.
A new approach to forest conservation in western Iowa.
Iowa farmers used a record amount of money for conservation assistance during fiscal 2021.
Deere looks to make its engines burn ethanol rather than diesel.
Concern about unregulated contaminants in Iowa water systems.
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