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Science, Tech & Environment

A way to save one of North America's fastest animals

For centuries, herds of pronghorn have traveled hundreds of miles across the west in the second longest land migration in North America. But today, pronghorn often encounter barbed wire fences on private and public land that delay or halt their journey. Now, scientists and wildlife managers are developing fencing systems that allow the pronghorn to cross safely.

Science, Tech & Environment

Nuclear reactor closings in the US continue to roil the energy industry

The Entergy Corporation recently announced it would soon close two aging nuclear power plants in the northeast US. At the same time, the Nuclear Regulatory Commission has granted the company a new license to operate a Tennessee reactor that some experts consider one of the least safe in the nation. What does this portend for nuclear energy in the US?

Science, Tech & Environment

Even plans to close nuclear power plants stir controversy

When the Nuclear Regulatory Commission found Entergy Corporation’s Pilgrim Generating Station to be one of the three most dangerous nuclear power plants in the US, it was no surprise to some local residents. It has been the focus of protests for much of its 43-year history. Now Entergy plans to close the facility within a few years — but that hasn’t ended the controversy.

Living on Earth: November 20, 2015

New Toxic Substances Control Act Likely / Prenatal Chemical Exposure Linked to Obesity / Health Risks of Water Fluoridation Raise Concerns / Let's Talk Turkey / Cranberries Take Centerstage / Beyond the Headlines / Pawpaw: America's Forgotten Fruit

New Toxic Substances Control Act Likely

The Toxic Substances Control Act was passed in the 1970s, but since then has proved mostly ineffective at regulating toxic chemicals. A bill updating TSCA is moving through Congress now, and Andy Igrejas of Safer Chemicals Healthy Families tells host Steve Curwood that while the bills are weak, it’s a start. (published November 20, 2015)

Prenatal Chemical Exposure Linked to Obesity

Inadvertent chemical exposures from dumping can provide epidemiologists with unique insights into the possible effects products can have on human health. Brown University professor Joseph Braun tells host Steve Curwood about a group of pregnant women in Cincinnati with high blood levels of the industrial chemical, PFOA, whose children were fatter, possibly giving them an increased risk of health problems later. (published November 20, 2015)

Health Risks of Water Fluoridation Raise Concerns

Two-thirds of Americans have tap water with added fluoride, thought to help prevent tooth decay, but research has raised questions about the additive’s safety. Host Steve Curwood examines the science around fluoride’s health effects and hears from eco-activist Laura Turner Seydel about potential, under-reported risks and measures the public can take for protection. (published November 20, 2015)

Let's Talk Turkey

Almost all of the turkeys eaten in the United States are the same species: the Broad-Breasted White, but as Living on Earth’s Bobby Bascomb reports, heritage breeds of turkeys, like the Bourbon Red and Blue Slate, are making a comeback. (published November 20, 2015)