Environment

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The damage of Philippine-registered container ship ACX Crystal is seen off Izu Oshima, Japan, after it collided with the USS Fitzgerald, Saturday, June 17, 2017. The Japan coast guard said it received an emergency call from a Philippine-registered container ship ACX Crystal early Saturday that it had collided with the USS Fitzgerald. (Iori Sagisawa/Kyodo News via AP)

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Alaska Senate President Pete Kelly, right, speaks to reporters next to Sen. Anna MacKinnon during a Senate majority news conference on Friday, June 16, 2017, in Juneau, Alaska. (AP Photo/Becky Bohrer)

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A Whole Food Market is shown in Indianapolis, Friday, June 16, 2017. Amazon is buying Whole Foods in a deal valued at about $13.7 billion, a strong move to expand its growing reach into groceries. (AP Photo/Michael Conroy)

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CAPTION CORRECTION REMOVES PRESCRIBED FIRE REVISING TO WILDFIRE Fire crews head toward the Jemez Mountains along U.S. 550 in Rio Rancho, N.M., as the smoke plume from a wildfire grows on Thursday, June 15, 2017. Sandoval County Sheriff's Lt. Keith Elder says deputies were initiating the evacuation of a subdivision along State Highway 4. He was unsure of how many homes were in the area. (Zach Bryan via AP)

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Emergency workers search debris that fell at the base of the fire-gutted Grenfell Tower in London, Friday, June 16, 2017, after a fire engulfed the 24-story building Wednesday morning. London firefighters combed through the burned-out public housing tower Thursday in a grim search for missing people as police and the prime minister launched investigations into the deadly inferno, with pressure building on officials to explain the disaster and assure that similar buildings around the country are safe. (AP Photo/Matt Dunham)

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This photo provided by the National Park Service ranger Rachel Post shows a smoke plume from a wildfire in the Valles Caldera National Preserve, north of Jemez Springs, N.M., Thursday, June 15, 2017. The wildfire burning in northern New Mexico prompted the evacuation Thursday of residents and led the governor to activate the state emergency operations center. (Rachel Post/NPS via AP)

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FILE - In this June 2, 2017, file photo, EPA Administrator Scott Pruitt speaks to the media during the daily briefing in the Brady Press Briefing Room of the White House in Washington. Newly obtained emails underscore just how closely Pruitt coordinated with fossil fuel companies while serving as Oklahoma’s state attorney general, a position in which he frequently sued to block federal efforts to curb planet-warming carbon emissions. (AP Photo/Pablo Martinez Monsivais, File)

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English ivy — an invasive plant — has crept its way into the National Arboretum and the broader D.C. region. The plant's fast-growing, green vines block sunlight from reaching native flora beneath it. (Emma Ayers/The Washington Times)

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This Sept. 3, 2015, photo provided by the Yellowstone National Park Service, shows the West Thumb area of Yellowstone Lake in Mammoth Hot Springs, Wyo. A 23-year-old kayak guide, Timothy Hayden Ryan Conant of Salt Lake City, died while trying to rescue a client who capsized in the West Thumb area of Yellowstone Lake Wednesday, June 14, 2017. (Jim Peaco/Yellowstone National Park Service via AP)

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This June 25, 2015, photo provided by the Yellowstone National Park Service, shows Black Pool at the West Thumb area of Yellowstone Lake in Mammoth Hot Springs, Wyo. A 23-year-old kayak guide, Timothy Hayden Ryan Conant of Salt Lake City, died while trying to rescue a client who capsized in the West Thumb Basin area of Yellowstone Lake Wednesday, June 14, 2017. (Diane Renkin/Yellowstone National Park Service via AP)

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In this May 22, 2017, photo, tree tubes of 3.5-foot plastic protect delicate native plants and trees in a 34-acre plot at Laguna Atascosa National Wildlife Refuge near Harlingen, Texas. The test plot will determine whether the sleeves might accelerate efforts to restore native Tamaulipan thornscrub habitat to benefit wildlife, including endangered ocelots. (Rick Kelley/Valley Morning Star via AP)

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In this May 22, 2017, photo, a tiny herbaceous plant reaches for the sky inside a 3.5-foot plastic protective tube at Laguna Atascosa National Wildlife Refuge near Harlingen, Texas. Thirty-four acres of native plants and trees were planted in a test plot to see if the protection of the sleeves might accelerate efforts to restore native Tamaulipan thornscrub habitat to benefit wildlife, including endangered ocelots. (Rick Kelley/Valley Morning Star via AP)

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FILE - In this Jan. 22, 2017, file photo, the sun rises over the clouds in front of the summit of Haleakala volcano in Haleakala National Park on Hawaii's island of Maui. The National Park Service is studying whether to keep its new system requiring reservations to drive up to Haleakala's summit to see the sunrise. The agency said Thursday, June 15 it will conduct an environmental assessment for the program, which was implemented on an emergency basis earlier this year to address overcrowding. (AP Photo/Caleb Jones, File)

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FILE - In this Jan. 22, 2017, file photo, people gather ahead of the sunrise on the summit of Haleakala volcano in Haleakala National Park on Hawaii's island of Maui. The National Park Service is studying whether to keep its new system requiring reservations to drive up to Haleakala's summit to see the sunrise. The agency said Thursday, June 15 it will conduct an environmental assessment for the program, which was implemented on an emergency basis earlier this year to address overcrowding. (AP Photo/Caleb Jones, File)

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Fire crews head toward the Jemez Mountains along U.S. 550 in Rio Rancho, N.M., as the smoke plume from a prescribed fire grows on Thursday, June 15, 2017. Sandoval County Sheriff's Lt. Keith Elder says deputies were initiating the evacuation of a subdivision along State Highway 4. He was unsure of how many homes were in the area. (Zach Bryan via AP)

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In this photo taken Tuesday, June 6, 2017, a section of the guard rail damaged by this year's snowpack, lies along Highway 120 near Yosemite National Park, Calif. Nearly a 1,000 yards of railing, that serve as the only barrier between he road and precipitous drop that in some places is over 1,000 feet, needs to be replaced before the roadway can be reopened. This year's heavy snowfall has crews working to clear Highway 120 as summer approaches, the only road through Yosemite that connects the Central Valley on the west side with the Owens Valley on the east side of the Sierra Nevada. (AP Photo/Rich Pedroncelli)

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Google has been working in concert with Ford, GM and Tesla on driverless cars for years, and some jurisdictions already allow the test models to be driven on their roads. Some observers expect driverless cars in full use within the next five years, despite that some of the models have gotten into accidents. (Associated Press)

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FILE -- In this June 1, 2017, file photo, the decommissioned USS Independence is towed on her final voyage to the Port of Brownsville near Port Isabel, Texas. The Suquamish Tribe and two environmental groups have sued the U.S. Navy, alleging the Navy cleaned the mothballed 60,000-ton USS Independence aircraft carrier in Puget Sound in violation of federal clean-water laws. The ship was cleaned in waters near Bremerton, Wash., in January and February before it was towed to Brownsville, Texas, earlier this month to be dismantled. The tribe, Washington Environmental Council and Puget Soundkeeper Alliance say the Navy scraped the ship's hull and sent toxic copper-based paint, zinc and other pollutants into the water. (Jason Hoekema/The Brownsville Herald via AP, File)

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FILE -- In this June 1, 2017, file photo, the decommissioned USS Independence is towed on her final voyage to the Port of Brownsville near Port Isabel, Texas. The Suquamish Tribe and two environmental groups have sued the U.S. Navy, alleging the Navy cleaned the mothballed 60,000-ton USS Independence aircraft carrier in Puget Sound in violation of federal clean-water laws. The ship was cleaned in waters near Bremerton, Wash., in January and February before it was towed to Brownsville, Texas, earlier this month to be dismantled. The tribe, Washington Environmental Council and Puget Soundkeeper Alliance say the Navy scraped the ship's hull and sent toxic copper-based paint, zinc and other pollutants into the water. (Jason Hoekema/The Brownsville Herald via AP, File)

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A 102-pound, female loggerhead sea turtle makes her way into the Gulf of Mexico on Wednesday Sept. 16, 2015, after being rehabilitated at the National Oceanic and Atmospheric Administration's sea turtle facility in Galveston, Texas. The turtle was caught off the Galveston Fishing Pier earlier this summer. (Jennifer Reynolds/The Galveston County Daily News via AP) MANDATORY CREDIT