Rebecca Hersher

Rebecca Hersher is a reporter on NPR's Science Desk, where she reports on outbreaks, natural disasters, and environmental and health research. Since coming to NPR in 2011, she has covered the Ebola outbreak in West Africa, embedded with the Afghan army after the American combat mission ended, and reported on floods and hurricanes in the U.S. She's also reported on research about puppies. Before her work on the Science Desk, she was a producer for NPR's Weekend All Things Considered in Los Angeles.

Hersher was part of the NPR team that won a Peabody award for coverage of the Ebola epidemic in West Africa, and produced a story from Liberia that won an Edward R. Murrow award for use of sound. She was a finalist for the 2017 Daniel Schorr prize; a 2017 Pulitzer Center on Crisis Reporting fellow, reporting on sanitation in Haiti; and a 2015 NPR Above the Fray fellow, investigating the causes of the suicide epidemic in Greenland.

Prior to working at NPR, Hersher reported on biomedical research and pharmaceutical news for Nature Medicine.

An hour south of Charlotte, N.C., two forks in the road beyond suburbia, a freshly constructed house sits in a wind tunnel waiting to be set on fire.

To the left of the house is a brick wall with a hole in the middle, made by a 2-by-4 propelled at 70 miles per hour.

In front of the house is a metal staircase five stories tall. At the top are the hail guns.

More than 100 fans begin to turn, slowly at first and then faster. The ember generators flicker on. The fire is about to begin.

Several members of a powerful science panel for the Environmental Protection Agency expressed doubt at a hearing Thursday about the long-established scientific consensus that air pollution can cause premature death.

The panel was meeting to consider recommendations that would fundamentally change how the agency analyzes the public health dangers posed by air pollution and could lead to weaker regulation of soot.

When a storm gets very intense very quickly, it gets a very special, very scary name: bomb cyclone.

And just such a storm has arrived in the central U.S.

If they had known, they never would have bought the house on Bayou Glen Road. Sure, it was a beautiful lot, tucked in a bend of the creek, backyard woodsy and wild, the neighbors friendly and the street quiet. A little piece of nature just 20 minutes from downtown Houston. It was exactly what John and Heather Papadopoulos — recently married, hoping to start a family — were looking for in 2007. They didn't think much about the creek that ran along their yard, aside from appreciating the birds it attracted to the neighborhood.

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Now that Democrats control the House of Representatives, they hope to use the platform to fight climate change. They say it is a top priority, and they are kicking things off with two hearings tomorrow. NPR's Rebecca Hersher reports.

The skin lesions are the first sign that something is wrong. Then limbs fall off and the body disintegrates, collapsing in on itself as it liquefies. In the end, what was once a sea star is only a puddle on the ocean floor.

Since 2013, sea star wasting disease has killed so many starfish along the Pacific Coast that scientists say it's the largest disease epidemic ever observed in wild marine animals. Where there used to be dozens of stars, scuba divers now report seeing none.

The weather clearly does not care that the U.S. government is partially shut down.

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Thousands of government scientists aren't working because of the government shutdown, and that's affecting university researchers they collaborate with, as NPR's Rebecca Hersher reports.

Nearly 200 countries have agreed on a set of rules to reduce global greenhouse gas emissions, a crucial step in implementing the landmark 2015 Paris climate agreement.

The rules describe in detail how countries will track their emissions and communicate with each other about their progress in the coming years and decades. But it stops short of committing them to the more ambitious emissions reductions necessary to slow climate change.

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In Poland, there's a big climate conference that is wrapping up, and American businesses have been playing a very active role at the meeting. NPR's Rebecca Hersher reports many of them are pushing governments to reduce greenhouse gas emissions.

Leaders from nearly 200 countries, including the United States, are at a big climate conference in Poland this week. They are struggling to agree on rules for how to meet their national promises to reduce greenhouse gas emissions under the Paris climate agreement of 2015. The official U.S. position is making it difficult.

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As the international climate summit in southern Poland enters its second and final week, most countries agree on the basic scientific facts: greenhouse gasses are causing climate change, and every country is feeling its effects.

But the United States, under the leadership of President Trump, has taken a different view. The administration questions the overwhelming scientific evidence suggesting that human activity is causing the climate to warm. As a result, the U.S., which has been a leader in past negotiations, is playing unpredictable role in this year's summit.

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