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COPENHAGEN, Denmark (AP) — Scientists say an enormous chunk of Greenland’s ice cap, estimated to be about 110 square kilometers (42.3 square miles), has broken off in the far northeastern Arctic. For comparison, Manhattan is roughly 22 square miles. They see it as evidence of rapid climate change, which is leading to the disintegration of the Arctic's largest remaining ice shelf. The section broke off a 50-mile long fjord at the front end of the Northeast Greenland Ice Stream, where it flows off the land and into the ocean. One scientist says “we should be very concerned” about the ice loss. In August, a study showed that Greenland lost a record amount of ice during an extra warm 2019. 702

CRESSON, Texas -- One worker is unaccounted for and two others have been injured after an explosion at a chemical plant in Texas, according to ABC News.Investigators said Thursday that they believe the explosion was caused by a worker dragging his foot along the factory floor.A total of nine emergency-rescue and fire departments responded to the massive fire at Tri-Chem Industries plant, which is located about 50 miles southwest of Dallas.Crews were eventually evacuated from the vicinity due to the risk of another explosion and possible exposure to dangerous chemicals. 583

COVINGTON, Ky. -- At least three Northern Kentucky school districts will be closed Monday after state lawmakers rushed through a pension overhaul plan.Covington Independent, Boone County and Kenton County schools confirmed they'll be closed April 2.Covington spokesperson Deb Vance said 180 of 271 teachers called to say they're taking a personal day on Monday. The day will have to be made up later, she said. In Boone County, Superintendent Randy Poe said a day off will let teachers and families travel to Frankfort."Drastic times call for drastic action," Poe said in a letter to parents. "Although closing school is the last thing anyone wants to do, one of the reasons for this decision to close school is because educators feel one of their main responsibilities is to advocate for the children of the Commonwealth."The bill passed Thursday night preserves benefits for current retirees. Most benefits for current workers would also be preserved, but sick days would be capped after this year and will not be applied toward retirement. Some teachers would also have to increase the amount they pay to fund retiree health.However, future teachers would not be guaranteed a set pension when they retire, and would instead use a hybrid 401(k) plan that requires them to contribute more. 1298

Crowds of migrants resumed their long journey north on Sunday from the Mexican border city of Ciudad Hidalgo, according to Mexican federal police officers.The caravan was headed for Tapachula, a city about 37 km (23 miles) north of the Mexico-Guatemala border, the officers told CNN.There were about 10 buses awaiting migrants along the highway between Tapachula and Ciudad Hidalgo and the drivers had been instructed to carry the migrants to shelters in Tapachula, the officers said. It was unclear how many of the group were from the migrant caravan and how many were Mexicans who joined the march.One migrant, a 20-year-old Honduran named William, told CNN he crossed into Mexico via a float that carried him across the muddy Suchiate River on Saturday.He left home looking for work, he said, and was ultimately bound for either Mexico or the U.S. -- wherever he could land a job. 891

COLUMBIA, S.C. — Rapper Kanye West used part of his first event since declaring himself a presidential candidate to rant against historical figure Harriet Tubman. West said the Underground Railroad conductor “never actually freed the slaves, she just had them work for other white people." West's comments drew shouts of opposition from some in the crowd gathered Sunday in North Charleston, South Carolina. His appearance was marked by a lengthy monologue touching on topics from abortion and religion to international trade and licensing deals. At one point he said he and wife Kim Kardashian had considered terminating their first pregnancy. Several sources report West became tearful during the speech Sunday, explaining how a message from God changed his mind and he got a call from Kardashian saying they were going to have the baby. North West was born in 2013. Whether West is actually seeking the nation’s highest office remains a question. Last week he met the requirements to appear on Oklahoma's presidential ballot. An Oklahoma elections spokeswoman says a West representative submitted paperwork and the ,000 filing fee Wednesday for the state's Nov. 3 ballot. A West adviser told New York Magazine that West was out, but TMZ reports his campaign filed with the Federal Election Commission. West has already missed the deadline to qualify for the ballot in several states. 1397