Is geo-engineering the climate an answer to global warming? Cold War science has some lessons.
Environment
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Lingering Peril From Lead Paint
About half a million children have dangerously high lead levels in their blood, mostly from exposure to peeling paint and contaminated dust. The fight over who should clean it up has lasted for decades.
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Horses: Wild, But Not Free
There are now so many wild horses on public land – nearly 100,000 – that they have become caught in a battle between the government, ranchers and environmentalists.
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A Barge Full of Garbage Helped to Fuel a Recycling Movement
In the 1980s, rising public awareness about waste was fueled by a bizarre news story about a meandering New York City garbage barge.
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This Snake Is Eating the Everglades
Burmese pythons released into the wild by well-meaning pet owners have created a reptilian nightmare in the Everglades.
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Future of Water
The increasing scarcity of drinking water is beginning to capture the world’s attention – but surprisingly, an innovative solution might just be found in one of the Earth’s driest places.
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Blazes That Damaged Yellowstone Changed Wildfire Strategy
A rapidly growing California wildfire is threatening a grove of giant Sequoia trees in Yosemite National Park, some nearly 3,000 years old. For context, we examine the 1988 fires in Yellowstone National Park that ignited a debate over firefighting tactics and sustainable forestry.
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Rachel Carson’s Warning on D.D.T. Ignited an Environmental Movement
Author Rachel Carson’s strike against the pesticide DDT turned her into both an environmental hero and a foil for those who believe regulation has gone too far. That fight is more relevant than ever.
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E. Coli Outbreaks Changed Food Production, But How Safe Are We?
A 1993 E. coli outbreak linked Jack in the Box hamburgers sickened 700 people and acted as a wake up call about the dangers of food-borne illness. Decades later, how far have we really come in terms of food safety?
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Reintroducing Wolves to Yellowstone was a Success. That’s When Trouble Began.
In the 1990s, the federal government reintroduced the gray wolf to Yellowstone National Park. It was considered a big success. And that’s when the real fight began.