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The international climate change conference that concluded in Katowice, Poland on Dec. 15 had limited ambitions and expectations – especially compared to the 2015 meeting that produced the Paris climate...

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The global climate change conference in Katowice, Poland, that wrapped up on Dec. 15 had a challenging mission. Three years ago in Paris, 196 countries and regions agreed to curb global greenhouse gas...

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Hunting is a seasonal ritual for more than 11 million Americans in fall and winter. For those whose quarry includes ducks, geese or other waterfowl, one essential item is a Federal Duck Stamp – one...

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Colombia’s Andes Mountains used to be loaded with wildlife, including South America’s sole bear species, the spectacle bear, and the mountain tapir, which lives only in the world’s highest altitudes....

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Online shopping is a big convenience for many Americans, but porch piracy can ruin the experience. For example, Mikaela Gilbert lived in a row house in West Philadelphia while she studied systems engineering...

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Environmentally conscious consumers often ask me whether a real Christmas tree or an artificial one is the more sustainable choice. As a horticulture and forestry researcher, I know this question is also...

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Climate change will hammer the U.S. economy unless there’s swift action to rein in greenhouse gas emissions from burning fossil fuels, according to the latest National Climate Assessment report. But...

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The Trump administration has released plans to open up nine million acres of sage grouse habitat in six western states to oil and gas drilling. This initiative dramatically cuts back an elaborate plan...

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As world leaders negotiate rules for cutting greenhouse gas emissions at the COP24 meeting in Poland, U.S. cities have a vested interest in the outcome. About 85 percent of Americans live in cities, and...

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High mountain environments in South America, which in many locations encompass peaks that reach 21,000 feet (6,500 meters) or more in altitude, are home to some of the most spectacular glaciers on our...