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Have you ever considered downsizing? Not just moving into a slightly smaller place, but really scaling back on your belongings and living space? Could you live in a tiny house? 184

Greenland's massive ice sheets contain enough water to raise global sea levels by 23 feet, and a new study shows that they are melting at a rate "unprecedented" over centuries -- and likely thousands of years.The study, published Thursday in the scientific journal Nature, found that Greenland's ice loss accelerated rapidly in the past two decades after remaining relatively stable since the dawn of the Industrial Revolution in the mid-1800s.Today, Greenland's ice sheets are melting at a rate 50% higher than pre-industrial levels and 33% above 20th-century levels, the scientists found.Greenland's melting glaciers may someday flood your city"What we were able to show is that the melting that Greenland is experiencing today is really unprecedented and off the charts in the longer-term context," said Sarah Das, an associate scientist at the Woods Hole Oceanographic Institution and a co-author of the study.To determine just how fast Greenland's ice is retreating compared with the past, scientists used a drill the size of a traffic light pole to take ice core samples.The samples were taken from sites more than 6,000 feet above sea level, giving the researchers a window into melting on the ice sheet over the past several centuries.In the wake of October's dire report from the UN Intergovernmental Panel on Climate Change warning that civilization has just more than a decade to stave off climate catastrophe, Thursday's report spells more bad news for the planet, especially the millions of people living near the world's oceans.Melting from Greenland's ice sheet is the largest single driver of global sea level rise, which scientists predict could swamp coastal cities and settlements in the coming decades.Eight of the 10 largest cities in the world are near coasts, and 40% to 50% of the global population lives in coastal areas vulnerable to rising seas.The study also found that Greenland's ice loss is driven primarily by warmer summer air and that even small rises in temperature can trigger exponential increases in the ice's melt rate."As the atmosphere continues to warm, melting will outpace that warming and continue to accelerate," said Luke Trusel, an assistant professor at Rowan University and study co-author.According to Trusel, the current thought in the scientific community is that there is a temperature threshold that could trigger a point of no return for the eventual melting of Greenland and Antarctica's ice sheets. And though we don't know exactly what that temperature tipping point is, "what's clear is that the more we warm, the more ice melts.""Once the ice sheets reach these tipping points, it's thought that they'll go into a state of irreversible retreat, so they'll be responding to what we do now for centuries and milliennia into the future," Trusel said.What it's like at the ground zero of climate changeDas stressed that although climate science often focuses on the future impacts of warming, the findings show that the climate is already undergoing hugely significant changes."Climate change -- whether it's in Greenland or in your backyard -- is already here and already happening and already impacting people. It's not something that's coming in the future, and this study really drives home that point," she said.The-CNN-Wire? & ? 2018 Cable News Network, Inc., a Time Warner Company. All rights reserved. 3378

HONOLULU (AP) — Hurricane Douglas is gathering strength as it heads west toward the Hawaiian Islands on a track to potentially bring strong winds and flash flooding to the island chain over the weekend. The storm is getting stronger Thursday, becoming a Category 3 hurricane with maximum sustained winds of 120 mph. Cooler waters east of Hawaii and wind shear are expected to weaken the storm before it reaches the islands. 432

HONOLULU, Hawaii (KGTV) -- A U.S. Navy sailor killed two U.S. Department of Defense civilian employees and wounded another before turning the gun on himself at Pearl Harbor Naval Shipyard, according to Hawaii News Now. The two victims who died were men, but their identities haven't been released at this time. The third victim, a 36-year-old man, is currently in the hospital. Around 5:30 p.m. PST, a spokesman said the situation had been "contained." A witness reported seeing the gunman, a sailor assigned to the USS Columbia, fatally shoot himself. RELATED: Mass shootings in the United States: When, where they have occurred in 2019It's unclear whether or not the gunman knew the victims, Rear Admiral Robert Chadwick told Hawaii News Now. A portion of Joint Base Pearl Harbor-Hickam was placed on lockdown as a PA system told people to take cover. The base was reopened around 6 p.m. Witnesses tell Hawaii News Now that the shooting happened at one of the dry docks at the shipyard. San Diego Crisis Hotline888-724-7240 1034

HAVRE DE GRACE, Md. — Frankie Reeling’s life was reeling. A year ago, he was not expected to make it out of emergency colon surgery. But Frankie fooled us.Now he is messing with us, with his funny bones. Every night, you will see the Bone family. There is Sally, Ooogie Boogie and Jack.Frankie said we are so trapped in fear during the coronavirus pandemic, that on his favorite holiday, Halloween, he would make sure we were howling our funny bone off.He comes up with a theme every night. Then runs to a thrift store for the items he needs and dresses up his front lawn.This story originally reported by Jamie Costello on WMAR2News.com. 647