Three of the national monuments now under review by the Department of the Interior: (from left to right) Gold Butte in Nevada, the Pacific Remote Islands and Giant Sequoia in Northern California. Bureau of Land Management/Flickr; U.S. Fish and Wildlife Service/Flickr; David McNew/Getty Images hide caption

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Bureau of Land Management/Flickr; U.S. Fish and Wildlife Service/Flickr; David McNew/Getty Images

A shark swims off the coast of Midway Atoll on the northern edge of the Papahanaumokuakea Marine National Monument in Hawaii. The Trump administration plans to consider reversing the designation of some marine sanctuaries. Wyland/NOAA/AP hide caption

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Wyland/NOAA/AP

Trump Signs Executive Order On Offshore Drilling And Marine Sanctuaries

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People gather in the Pico-Union neighborhood of Los Angeles during rioting following the acquittal of four police officers in the beating of Rodney King in 1992. The neighborhood looks similar today as it did 25 years ago. It's still more than 80 percent Latino, with lots of immigrant families from Mexico and Central America. Gary Leonard/Corbis via Getty Images hide caption

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Gary Leonard/Corbis via Getty Images

As Los Angeles Burned, The Border Patrol Swooped In

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Florida Battles With Tricky Removal Of Costly Muck In Indian River Lagoon

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The avocados on the right are Hass, America's favorite variety of the green fruit. At left are GEM avocados, the great-granddaughter of the Hass. GEM avocados grow well in California's Central Valley and, in taste tests, they scored better than the Hass in terms of eating quality. Ezra David Romero/Valley Public Radio hide caption

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Ezra David Romero/Valley Public Radio

The Energy Star program started in 1992 to rate the efficiency of computer monitors and now covers dozens of product categories. Paul Sakuma/AP hide caption

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Paul Sakuma/AP

The small, red schisandra berry has a peculiar taste — five tastes, in fact, because it's considered to be at once sweet, sour, salty, bitter and pungent. Courtesy of Josef Brinckmann hide caption

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Courtesy of Josef Brinckmann

Michael Bloomberg And Carl Pope On 'Climate Of Hope'

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The Ford Motor Co. display at this year's Shanghai auto show, which goes on until April 28, is filled with SUVs and electric hybrid vehicles. The U.S. automaker has announced it will electrify 70 percent of its vehicles in China by 2025. This comes as Beijing is calling on automakers to sell more electric vehicles. Rob Schmitz/NPR hide caption

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Rob Schmitz/NPR

China Moves To Increase Number Of Electric Vehicles On Its Roads

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In "The Fish on My Plate," author and fisherman Paul Greenberg sets out to answer the question "what fish should I eat that's good for me and good for the planet?" As part of his quest to investigate the health of the ocean — and his own — Greenberg spent a year eating seafood at breakfast, lunch and dinner. Courtesy of FRONTLINE hide caption

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Courtesy of FRONTLINE

K.K. DuVivier stands by a smart meter that sends electricity back to her utility, Xcel Energy. The Denver home gets credits from Xcel for power that's added back to the grid. Grace Hood/Colorado Public Radio hide caption

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Grace Hood/Colorado Public Radio

As Rooftop Solar Challenges Utilities, One Aims For A Compromise

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Hacking Lake Erie: Tech Competition Seeks Solutions To Water-Related Problems

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Reinford Farms has 700 dairy cows. As you can imagine, they produce a lot of ... um... material to be converted into electricity. Dani Fresh for WHYY hide caption

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Dani Fresh for WHYY

Cattle owned by Fulani herdsmen graze in a field outside Kaduna, northwest Nigeria in February 2017. Stefan Heunis/AFP/Getty Images hide caption

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Stefan Heunis/AFP/Getty Images

Clashes Over Grazing Land In Nigeria Threaten Nomadic Herding

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Out Of The Lab And Into The Streets, Science Community Marches For Science

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Bill Nye the Science Guy arrives to lead scientists and supporters down Constitution Avenue during the March for Science on Saturday in Washington, D.C. The event is being described as a call to support and safeguard the scientific community. Jessica Kourkounis/Getty Images hide caption

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Jessica Kourkounis/Getty Images

In A New 'Anti-Science' Era, Bill Nye 'Saves The World' With Same Optimism

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The "talking piece" is held by whoever has the floor at the moment to share their feelings on climate change with the Good Grief group. Judy Fahys/KUER hide caption

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Judy Fahys/KUER

First Step To 'Eco-Grieving' Over Climate Change? Admit There's A Problem

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March For Science Organizers Work To Maintain Non-Partisan Position

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