Environment

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Rising water from the Des Plaines River rises covers McClure Avenue, Friday, July 14, 2017 in Gurnee, Ill. Illinois officials said Friday some 6,800 buildings have been affected by "unprecedented" flooding north of Chicago, and the damage is expected to worsen this weekend as water flows down rivers into the state from Wisconsin. (Paul Valade/Daily Herald via AP)

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Gurnee, Ill. Mayor Kristina Kovarik, bottom right, talks with Illinois Governor Bruce Rauner as he surveys flooding Friday, July 14, 2017 in Gurnee, Ill. Illinois officials said Friday some 6,800 buildings have been affected by "unprecedented" flooding north of Chicago, and the damage is expected to worsen this weekend as water flows down rivers into the state from Wisconsin. (Paul Valade/Daily Herald via AP)

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A police officer blocks a flooded area, Friday, July 14, 2017, in Gurney Ill. Illinois officials said Friday that several thousand buildings have been affected by "unprecedented" flooding north of Chicago, and the damage is expected to worsen this weekend as water flows down rivers into the state from Wisconsin. (AP Photo/G-Jun Yam)

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Residents of the Marco Polo building arrive at a nearby shelter after a deadly fire tore through the condo, Friday, July 14, 2017, in Honolulu. (AP Photo/Marco Garcia)

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Residents of the Marco Polo building register at a shelter for overnight accommodations after a deadly fire tore through the high rise building, Friday, July 14, 2017, in Honolulu. (AP Photo/Marco Garcia)

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Volunteers prepare food and drinks at a school for the residents of the Marco Polo building, Friday, July 14, 2017, in Honolulu. A deadly fire broke out in the building killing three people and sent hundreds to a nearby school for the night. (AP Photo/Marco Garcia)

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An evacuation bus takes residents of the Marco Polo building to a nearby shelter after a deadly fire at the building, Friday, July 14, 2017, in Honolulu. (AP Photo/Marco Garcia)

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A man picks up sandbags to reinforce the barrier he built to keep the flood water from reaching his house Friday, July 14, 2017, in Gurnee, Ill. Illinois officials said Friday that several thousand buildings have been affected by "unprecedented" flooding north of Chicago, and the damage is expected to worsen this weekend as water flows down rivers into the state from Wisconsin. (AP Photo/G-Jun Yam)

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Illinois Governor Bruce Rauner, left, pauses near hundreds of sandbags and the flooded McClure Avenue, back left, with Lake County Board Chairman Aaron Lawlor and IEMA Director James Joseph, right, Friday, July 14, 2017 in Gurnee, Ill. Illinois officials said Friday some 6,800 buildings have been affected by "unprecedented" flooding north of Chicago, and the damage is expected to worsen this weekend as water flows down rivers into the state from Wisconsin. (Paul Valade/Daily Herald via AP)

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A man walks on a flooded street Friday, July 14, 2017, in Gurnee, Ill. Illinois officials said Friday that several thousand buildings have been affected by "unprecedented" flooding north of Chicago, and the damage is expected to worsen this weekend as water flows down rivers into the state from Wisconsin. (AP Photo/G-Jun Yam)

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Rep. Rick Nolan, Minnesota Democrat, meets with reporters in Baxter, Minn., on Nov. 9, 2016. (Associated Press) **FILE**

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FILE - In this Oct. 4, 2011,file photo, a prospecting drill rig bores into the bedrock near Ely, Minn., in search of copper, nickel and precious metals that Twin Metals Minnesota LLC, hopes to mine near the Boundary Waters Canoe Area Wilderness in northeastern Minnesota. The fight over whether to allow copper-nickel mining near the Boundary Waters Canoe Area of northeastern Minnesota is shifting to St. Paul. The U.S. Forest Service is opening a new set of public meetings on its proposal to bar minerals exploration and development on more than 234,000 acres near the pristine wilderness for up to 20 years. The first meeting is Tuesday, July 25, 2017, in St. Paul. (AP Photo/Steve Karnowski, File)

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FILE - In this Oct. 4, 2011, file photo, a core sample drilled from underground rock near Ely, Minn., shows a band of shiny minerals containing copper, nickel and precious metals, center, that Twin Metals Minnesota LLC, hopes to mine near the Boundary Waters Canoe Area Wilderness in northeastern Minnesota. The fight over whether to allow copper-nickel mining near the Boundary Waters Canoe Area of northeastern Minnesota is shifting to St. Paul. The U.S. Forest Service is opening a new set of public meetings on its proposal to bar minerals exploration and development on more than 234,000 acres near the pristine wilderness for up to 20 years. The first meeting is Tuesday, July 25, 2017, in St. Paul. (AP Photo/Steve Karnowski, File)

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ADVANCE FOR USE SATURDAY, JULY 15 - In this June 7, 2017 photo, corn plants, such as those used by the Nebraska Food for Health Center to conduct experiments on the role of food in human gut health, grow in the Greenhouse Innovation Center at the Food Innovation Center on Innovation Campus in Lincoln. Neb. The center is a $40.3 million collaboration among researchers across NU, food and drug manufacturers and philanthropists interested in the intersection between agriculture and medicine. (Gwyneth Roberts/The Journal-Star via AP)

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In this July 13, 2017, photo, farmer John Weinand surveys a wheat field near Beulah, N.D., that should be twice as tall as it is. Drought in western North Dakota this summer is laying waste to crops _ some of which won't even be worth harvesting. (AP Photo/Blake Nicholson)

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In this July 13, 2017, photo, farmer John Weinand surveys a wheat field near Beulah, N.D., that should be twice as tall as it is. Drought in western North Dakota this summer is laying waste to crops _ some of which won't even be worth harvesting. (AP Photo/Blake Nicholson)