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Sustainability

Illinois researchers develop index to quantify circular bioeconomy

As the world faces the challenges of mitigating climate change and providing resources for a growing population, there is increasing focus on developing circular economies for sustainable production. But to evaluate strategies and impacts, it is necessary to have reliable metrics.

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Organic nanozymes have broad applications from food and agriculture to biomedicine

Nanozymes are tiny, engineered substances that mimic the catalytic properties of natural enzymes, and they serve a variety of purposes in biomedicine,  chemical engineering, and environmental applications. They are typically made from inorganic materials, including metal-based elements, which makes them unsuitable for many purposes due to their toxicity and high production costs.

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Study identifies best bioenergy crops for sustainable aviation fuels by U.S. region, policy goals

Researchers analyzed the financial and environmental costs and benefits of four biofuels crops used to produce sustainable aviation fuels in the U.S. They found that each feedstock — corn stover, energy sorghum, miscanthus or switchgrass — performed best in a specific region of the rainfed United States. Their study will help growers and policymakers select the feedstocks most suited to meeting goals like reducing production costs, lowering greenhouse gas emissions and building soil carbon stocks. 

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Illinois studies explore converting wastewater to fertilizer with fungal treatment

Creating fertilizers from organic waste can help reduce the consumption of fossil fuels and promote sustainable production. One way of doing this is through hydrothermal liquefaction (HTL), which converts biomass into biocrude oil through a high-temperature, high-pressure process.

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Wastewater is a viable medium for growing lettuce in hydroponic systems, study shows

Urban agriculture has the potential to improve food security through local, efficient, and sustainable food production. Examples of urban food systems include hydroponics, where plants grow in a nutrient solution without soil, and aquaponics, which combines hydroponics with raising fish in tanks.

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Organic farmers’ beliefs about soil microbiome affect their practices, study shows

Organic farming can support soil microorganisms that promote plant defenses and reduce insect pests. But not all organic practices are equally beneficial for soil microbes, and it’s important to understand farmer motivations in order to encourage the adoption of microbiome-supportive efforts.

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Curbside collection improves organic waste composting, reduces methane emissions

Most organic household waste ends up in landfills where it generates methane, a powerful greenhouse gas. Composting food and garden waste instead of sending it to landfills can significantly reduce methane emissions and help mitigate global warming.

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