Environment

The Blue Ridge Fire burns along the 71 state highway Tuesday, Oct. 27, 2020, in Chino Hills, Calif. Crews tried to beat back two out-of-control wildfires in Southern California on Tuesday that have kept tens of thousands of people out of their homes even as another round of dangerous fire weather raises the risk for flames erupting across the state. (AP Photo/Jae C. Hong)

A man leaves his home during a mandatory fire evacuate as smoke from the Silverado Fire fills the air, Monday, Oct. 26, 2020, in Irvine, Calif. (AP Photo/Jae C. Hong)

Democratic presidential candidate former Vice President Joe Biden leaves St. Joseph On the Brandywine Roman Catholic Church with his granddaughter Finnegan Biden, right, Sunday, Oct. 25, 2020, in Wilmington, Del. (AP Photo/Andrew Harnik)

This image released by NBC shows Chrissy Metz as Kate, left, and Justin Hartley as Kevin, in a scene from "This Is Us." The fifth season of the popular series premieres on Tuesday. (NBC via AP)

Japanese Prime Minister Yoshihide Suga delivers a policy speech during an extraordinary Diet session at the upper house of parliament in Tokyo, Monday, Oct. 26, 2020. Suga has declared Japan will achieve zero carbon emissions by 2050 in his first policy speech after taking over from Shinzo Abe. The policy speech Monday at the outset of the parliamentary session set an ambitious agenda reflecting Suga's pragmatic approach to getting things done. (AP Photo/Koji Sasahara)

A MarkWest Liberty natural gas pipeline and fracking well cap is seen in Valencia, Pennsylvania on Wednesday, Oct. 14, 2020. President Trump accuses Joe Biden of wanting to ban fracking, a sensitive topic in the No. 2 natural gas state behind Texas. Biden insists he does not want to ban fracking broadly - he wants to ban it on federal lands and make electricity production fossil-fuel free by 2035. (AP Photo/Ted Shaffrey)

FILE - In this Monday, Sept. 16, 2019 file photo, Marc Short, chief of staff for Vice President Mike Pence, speaks with reporters at the White House in Washington. Vice President Mike Pence will maintain an aggressive campaign schedule this week the White House said Saturday, Oct. 24, 2020 despite his exposure to Marc Short, his chief of staff who tested positive for the coronavirus. (AP Photo/Alex Brandon, File)

FILE - In this April 16, 2020, file photo, a Pacific Gas & Electric sign is displayed on the exterior of a PG&E building in San Francisco. Pacific Gas & Electric will cut power to over 1 million people on Sunday to prevent the chance of sparking wildfires as extreme fire weather returns to the region, the utility announced Friday, Oct. 23, 2020. (AP Photo/Jeff Chiu, File)

Mexican President Andres Manuel Lopez Obrador gives his daily, morning news conference at the presidential palace, Palacio Nacional, in Mexico City, Friday, Oct. 16, 2020. López Obrador said Friday that his ambassador to the United States told him two weeks ago that there was an investigation underway there involving Mexico's former defense secretary, retired Gen. Salvador Cienfuegos, who was arrested Thursday in Los Angeles. (AP Photo/Marco Ugarte)