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Holding global warming to a critical limit would require "rapid, far-reaching and unprecedented changes in all aspects of society," says a key report from the global scientific authority on climate change.The Intergovernmental Panel on Climate Change (IPCC) report was released Monday at the 48th Session of the IPCC in Incheon, South Korea.It focuses on the impacts of global warming reaching 1.5 degrees Celsius (2.7 degrees Fahrenheit) above pre-industrial levels. The planet is already two-thirds of the way there, with global temperatures having warmed about 1 degree C.According to the report, the planet will reach this crucial threshold as early as 2030 based on our current levels of greenhouse gas emissions -- and avoiding going even higher will require significant action in the next few years.Global net emissions of carbon dioxide would need to fall by 45% from 2010 levels by 2030 and reach "net zero" around 2050 in order to keep the warming around 1.5 degrees Celsius.Lowering emissions to this degree would require widespread changes in energy, industry, buildings, transportation and cities, the report says.But even if warming is able to be kept to 1.5 degrees Celsius, the impacts would be widespread and significant.Temperatures during summer heatwaves, such as those just experienced across Europe this summer, can be expected to increase by 3 degrees Celsius, according to the report.More frequent or intense droughts, such as the one that nearly ran the taps in Cape Town, South Africa, dry, as well as more frequent extreme rainfall events such as hurricanes Harvey and Florence in the United States, are also pointed to as expectations as we reach the warming threshold.Monday's report is three years in the making and is a direct result of the 2015 Paris Climate Agreement. In the Paris accord, 197 countries agreed to the goal of holding global temperatures "well below" 2 degrees C above pre-industrial levels and to pursue efforts to limit it to 1.5 degrees C.The United States was initially in the agreement. But President Donald Trump pulled the country out?a year and half later, claiming it was unfair to the country. 2185

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

HENRICO COUNTY, Va. — A hate crime investigation is underway by the Virginia Commonweath's Attorney against the self-proclaimed president of the Virginia KKK after he allegedly drove his pickup truck into a group of protesters on Sunday.36-year-old Harry Rogers of Hanover, Virginia, was arrested Sunday after police say several witnesses saw Rogers rev his engine and drive into a crowd of protesters.The person who called police was checked by rescue at the scene and refused further treatment.The protest was one of the dozens of anti-police brutality marches that have taken place around the nation following the Memorial Day death of George Floyd.No one was injured during the incident. One protester reported that his bicycle was damaged.Rogers appeared in Henrico Court Monday morning, where he agreed to receive a court-appointed attorney. He was formally charged with two felonies — attempted malicious wounding and destruction of property — as well as misdemeanor assault and battery.During Monday's court appearance, prosecutors alleged Rogers told his arresting officers that he was the president of the Ku Klux Klan in Virginia and the highest-ranking member currently not in prison."The accused, by his own admission and by a cursory glance at social media, is an admitted leader of the Ku Klux Klan and a propagandist for Confederate ideology," Henrico County Commonwealth's Attorney Shannon Taylor said in a statement. "We are investigating whether hate crimes charges are appropriate."She urged witnesses to call Henrico Police at 804-501-5000."While I am grateful that the victim's injuries do not appear to be serious, an attack on peaceful protesters is heinous and despicable and we will prosecute to the fullest extent of the law," she said. "We lived through this in Virginia in Charlottesville in 2017. I promise Henricoans that this egregious criminal act will not go unpunished. Hate has no place here under my watch.Rogers is due back in court in August.This story was originally published by WTVR in Richmond, Virginia. 2055

Here's what our region looks like this morning. Be careful out there, Houston ?? pic.twitter.com/eEqKfWIcv0— houstontranstar (@houstontranstar) September 22, 2020 170

GENEVA (AP) — The U.N. humanitarian office says needs for assistance have ballooned to unprecedented levels this year because of COVID-19, projecting that a staggering 235 million people will require help in 2021.This comes as a result of the coronavirus pandemic and global challenges, including conflicts, forced migration, and the impact of global warming.“The humanitarian system again proved its worth in 2020, delivering food, medicines, shelter, education, and other essentials to tens of millions of people,” said UN Secretary-General António Guterres in a press release. “But the crisis is far from over. Humanitarian aid budgets face dire shortfalls as the impact of the global pandemic continues to worsen. Together, we must mobilize resources and stand in solidarity with people in their darkest hour of need.”The U.N. Office for the Coordination of Humanitarian Affairs, or OCHA, expects a 40% increase in the number of people in need of such assistance in 2021 compared to this year.OCHA made the projections in its latest annual Global Humanitarian Overview on Tuesday, saying its hopes to reach 160 million of those people in need will cost billion. Still, OCHA says they’ve only raised billion thus far.UN humanitarian chief Mark Lowcock told a U.N. briefing that the U.N. appeal could raise billion by the end of the year, which according to the Associated Press, is billion more than last year.“We can let 2021 be the year of the grand reversal – the unraveling of 40 years of progress – or we can work together to make sure we all find a way out of this pandemic,” Lowcock said. 1621