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Environment

Illinois leads most rigorous agricultural greenhouse gas emissions study to date

Farmers apply nitrogen fertilizers to crops to boost yields, feeding more people and livestock. But when there’s more fertilizer than the crop can take up, some of the excess can be converted into gaseous forms, including nitrous oxide, a greenhouse gas that traps nearly 300 times as much heat in the atmosphere as carbon dioxide. About 70% of human-caused nitrous oxide comes from agricultural soils, so it’s vital to find ways to curb those emissions.

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Illinois study: Extreme heat impacts dairy production, small farms most vulnerable

Livestock agriculture is bearing the cost of extreme weather events. A new study from the University of Illinois Urbana-Champaign explores how heat stress affects U.S. dairy production, finding that high heat and humidity lead to a 1% decline in annual milk yield.

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Guan receives endowed professorship in iSEE's Levenick Center

A first-of-its-kind interdisciplinary center focused on creating a climate-smart circular bioeconomy is poised for significant growth, with the appointment of a director, two endowed professorships, and a major campus commitment to hire four new faculty in departments across the University of Illinois Urbana-Champaign.

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New agroforestry maps plot environmental, social, and economic benefits of trees

There’s a longstanding attitude in many farming communities that trees and agriculture don’t mix. But agroforestry — the intentional integration of trees and shrubs in agricultural systems, such as planting trees as windbreaks, integrating trees on pastures, or growing tree crops intercropped with annual crops — can provide a multitude of benefits to both farmers and landscapes. So far, in the U.S. Midwest, these benefits have gone unrealized, with vanishingly small adoption rates.  

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Forest landowner motivation to control invasive species depends on land use, study shows

Many U.S. forests are privately owned, particularly in the Eastern and North Central part of the country. This makes control of invasive plants and pests challenging because efforts must be coordinated across landowners.

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Climate-smart spuds can take the heat

A team from the University of Illinois Urbana-Champaign has engineered potato to be more resilient to global warming, showing 30% increases in tuber mass under heatwave conditions. This adaptation may provide greater food security for families dependent on potatoes, as these are often the same areas where the changing climate has already affected multiple crop seasons.

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Will agricultural weeds finally claim the upper hand in a changing climate?

A few years back, a group of weed scientists showed that soil-applied herbicides are less effective against agricultural weeds in the context of our changing climate.

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