corn

Nitrous oxide isn’t just “laughing gas” — it’s also a greenhouse gas that’s more than 200 times more potent than carbon dioxide. Corn farmers in Indiana and the rest of the U.S. use a lot of nitrogen fertilizer on their fields — which releases nitrous oxide.

Congressional legislation would raise the percentage of ethanol in gas to 15% year round. Currently, there are federal regulations that limit ethanol content to 10% during certain periods of the year.

Purdue University has kicked off a project to learn how best to diversify crops grown in the U.S. corn belt. The idea is to make farms in states like...

Pesticide that’s applied to corn can sometimes find its way onto watermelon plants — harming pollinators that watermelons need. Purdue University…