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Doug Gurian-Sherman

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About the author: Doug Gurian-Sherman is a widely-cited expert on biotechnology and sustainable agriculture. He holds a Ph.D. in plant pathology. See Doug's full bio.

Resistant Weeds According to Monsanto—Less than Half the Story

The harm to agriculture from pests that have developed resistance to the premier products of the biotech industry—crops containing Bt insect toxins or immune to the herbicide Roundup (containing glyphosate)—has been receiving well justified attention recently. Read More

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Surviving in a Thirsty World

Clean, fresh water is an increasingly scare resource in many parts of the world—and that will get worse with climate change. A recent research article reminds us that agriculture is by far the biggest user of fresh water, and calculates that it is responsible for about 92 percent of human water use. Read More

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Are Genetically Engineered Herbicide-Resistant Crops Undermining Sustainable Weed Control?

A new article in the respected journal BioScience raises important concerns about the harmful influence of genetically engineered herbicide resistant crops on sustainable weed control. Read More

Categories: Food and Agriculture  

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Genetically Engineered Crops in the Real World – Bt Corn, Insecticide Use, and Honey Bees

One of the most frequently mentioned benefits of genetically engineered crops is a reduction in chemical pesticide use on corn and cotton. Read More

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Is This Sustainable Agriculture? Resistance to Engineered Bt Corn on the Rise

EPA has responded to reports of resistance by one of the worst insect pests of corn, called rootworm. In the past, about a billion dollars’ worth of chemical insecticides per year were used to control this pest  in the U.S. Read More

Categories: Food and Agriculture  

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A Killer Lurks Among Us

From the smell of freshly baked bread, to spaghetti, couscous, chapattis and naan, wheat, the staff of life, is an iconic food. It is also one of the world’s most widely grown crops, supplying about 31 percent of human food calories. Read More

Categories: Food and Agriculture  

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Help Prevent the Dismantling of Sustainable Agriculture Science

I just returned from the annual Tri Societies meeting, a four day event where several thousand soil scientists, crops scientists, and agronomists get together to share their latest work.

Why should anyone care about a convocation of science nerds? Read More

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Just Label It

Genetically engineered (GE) foods have been in our groceries for years, and are found in most processed foods in the U.S. But there is nothing on a box of corn flakes that tells you whether there are GE ingredients in that food—and the GE industry wants it to stay that way. Read More

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Biodiversity: It’s Not Just about Pandas and Polar Bears

As I slogged into my garden, soaked by recent tropical storms and hurricane Irene, and pushed back the leaves of my zucchini plants, the wild bumblebee emerging from one of the flowers reminded me that I wasn’t doing all of the work in this plot of vegetables. Read More

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Engineered Pest Problems

Genetically engineered crops contain combinations of two widely successful types of genes—glyphosate herbicide resistance that allows spraying the weed killer onto crops without harming them, and toxins, collectively called Bt, that kill some insect pests. Read More

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