Tag Archives: united states

Shared traits of abandoned gas, oil wells could aid cheaper, more effective cleanup

Across the United States, abandoned oil and gas wells are a significant source of greenhouse gases, particularly methane. Yet there are so many scattered across the country that stopping the leaks — and even determining which wells are leaking — presents an enormous challenge. (more…)

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After legal-ivory experiment, black markets thrive from greater demand, less risk

To curb the destructive illegal ivory trade, the Convention on the International Trade in Endangered Species (CITES) announced in 2008 that it would suspend its ban on the international trade in ivory to allow a one-time legal sale of 108 metric tons of stockpiled ivory to China and Japan from four African nations. This partial-legalization was intended to flood the Asian market with legal ivory, driving black-market purveyors and the poachers who supply them out of business. (more…)

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From Columbus to celebrity chefs: How food helped shape history

Food: It feeds the soul, fuels the body, affects the environment, inspires artists, influences politics, and impacts just about every part of our lives. It has been a subject of fascination and entertainment for centuries, reflected in the beauty of a Dutch still life, the pageantry of a royal banquet, or even the latest episode of “Top Chef.” (more…)

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Fall foliage season may be later, but longer on warmer Earth

The fall foliage season that prompts millions of Americans to undertake jaunts into the countryside each year could come much later and possibly last a little longer within a century, according to new research. (more…)

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Live longer? Save the planet? Better diet could nail both

New study shows healthier food choices could dramatically decrease environmental costs of agriculture

As cities and incomes increase around the world, so does consumption of refined sugars, refined fats, oils and resource- and land-intense agricultural products such as beef. A new study led by University of Minnesota ecologist David Tilman shows how a shift away from this trajectory and toward healthier traditional Mediterranean, pescatarian or vegetarian diets could not only boost human lifespan and quality of life, but also slash greenhouse gas emissions and save habitat for endangered species. (more…)

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