Marcia DeLonge

Senior scientist

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Marcia DeLonge is a senior scientist in the Food & Environment Program at the Union of Concerned Scientists (UCS). Dr. DeLonge conducts scientific research and analyses identifying practices that lead to healthy, sustainable food and farming systems. See Marcia's full bio.

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Photo: Jim Robinson, USDA-NRCS/CC BY 2.0, Flickr

Farming Carbon into Soils and Trees: A Climate-Smart Mid-Century Strategy for Agriculture

In 2050, the Paris Agreement will be 34 years old,  Google will be 52,  the National Park Service will be 134, the tractor will be 158, the United States will be 274, and hopefully we’ll all be celebrating being well along the way to a cooler future. While it may seem like a lot of time, there’s a lot of work ahead of us. Read more >

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Soil cross-section
Protecting and increasing soil carbon and soil health in agricultural soils is critical for both climate change mitigation and adaptation. Photo: USDA-NRCS

Soil Carbon Can’t Fix Climate Change By Itself—But It Needs to Be Part of the Solution

A rigorous study just published in the prestigious journal Science argues that soil alone cannot be can be counted on to save us from climate change. Yet the stark analysis does not undermine the importance of better understanding, protecting, and building carbon in soils (“carbon farming”). In fact, the findings reinforce the need for soil carbon science and action to remain priorities, especially when it comes to agriculture. Read more >

Photo: USDA-NRCS
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While BBQ Season Sizzles, a Case for Healthy Farms and Better Beef

Friends and acquaintances often ask me about what to eat (or not eat) if they are concerned about the impacts of their food choices on the world around them. One of the foods that comes up most frequently in this regard is beef, and that’s what I’d like to talk about today. Read more >

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Let’s Talk Trash: Berry Good Progress on Food Waste

As spring charges around the corner, New Year’s resolutions may be a distant memory. However, I said it before and I will say it again—it is never too late to start slimming your food waste. Read more >

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This Earth Day, Four Reasons to Bring Food and Farms to the Table

For me, the thought of Earth Day at first conjures up visions of the great outdoors: teeming rainforests, rushing waterways, golden valleys, golden eagles, great pandas, and so on. As a child of the 80s, while the special day was just in its early teens, I listened avidly to conversations about planting trees, saving water, turning out lights, recycling, protecting parks, and not being a litterbug. Read more >

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