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(CNN) -- Air miles programs should be banned and a levy on frequent flyers implemented in order to reduce carbon emissions from aviation, according to new research.The measure is one of a number of recommendations from Richard Carmichael at Imperial College London, who published a report Thursday on how the UK can meet its target of net-zero carbon emissions by 2050.Carmichael carried out his report for the Committee on Climate Change (CCC), an independent body that advises the UK government, which has previously said the country needed to become carbon-neutral by 2050 in order to fulfill its obligations under the Paris Agreement on climate change.The UK later became the first major economy to legally commit to the target. This report does not represent CCC's recommendations."Flying is a uniquely high-impact activity and is the quickest and cheapest way for a consumer to increase their carbon footprint," the report says.Air miles programs encourage people to take extra flights to keep up their "privileged traveler status" and should be banned, according to the report.So-called "mileage runs" are a common way for travelers to top up their points in order to maintain access to perks such as priority boarding.An air miles levy would be based on the number of miles flown by each passenger, penalizing those who fly the most while leaving the majority of people unaffected.Research shows that 15% of the UK population take 70% of flights, and these travelers -- who tend to be wealthier and less price-sensitive -- would shoulder most of the burden. By way of comparison, 50% of Britons don't fly at all in any one year.The levy would also encourage short-haul flights rather than more damaging long-haul flights, shift demand from planes to trains, and raise money that could be used to fund research into low-carbon aviation technology, the report said."Given the scope for frequent flyers to have carbon footprints many times that of the average UK household, a lack of policy in this area is likely to be increasingly seen as inconsistent and unjust and risks damaging public engagement with climate action," the report reads.While the report pushes for government policies to tackle emissions, private initiatives have already sprung up.Last week, International Airlines Group (IAG) -- which includes British Airways, Aer Lingus and Iberia -- promised to remove or offset all carbon emissions from its fleet of more than 570 aircraft by 2050.IAG said it would replace older aircraft, invest in sustainable jet fuel and develop technology that removes CO2 from the atmosphere.And some employers have signed up to a program that grants extra paid leave for staff who travel by train rather than plane.Climate Perks is an organization that works to encourage people to cut their carbon footprint by traveling by train without sacrificing their vacation time.This story has been updated to clarify the authorship of the report. It was researched and published by Richard Carmichael at Imperial College London for the Committee on Climate Change. 3070

"Hanging Governor Beshear in effigy is beyond reprehensible, and yet it is also the logical conclusion of the hateful rhetoric we saw touted on the Capitol grounds earlier this month that was implicitly condoned by elected representatives from the legislature's majority party. Doing this in front of our Capitol, just a short walk from where the Governor, First Lady, and their two young children live, is an act that reeks of hate and intimidation and does nothing but undermine our leading work to battle this deadly disease and restore our economy safely. We call on all elected officials to condemn these actions and pledge to work to eliminate dangerous hateful speech." 684

 Michelle Obama's new book "Becoming" has sold more than 1.4 million copies in all formats during the first seven days since it hit shelves on November 13.The former first lady's memoir about her Chicago roots and her time in the White House is also popular overseas, where it's a bestseller in Europe and Scandinavia and the No. 1 adult nonfiction title in the U.K., according to publisher Penguin Random House, which announced the milestone on Wednesday.After five printings of the hardcover edition, there will be 3 million copies in print in the Canada and the U.S., the publisher said.This feat follows another milestone earlier in the week, when Barnes & Noble announced that "Becoming" gave the bookseller "the biggest first-week sales of any book this year."Until November, that title belonged to Bob Woodward's Trump administration dissection, "Fear," which came out in September. But "Becoming" had even stronger sales in its first week, the bookseller said.Beyond just this year, B&N said "Becoming" had "the best first-week sales of an adult book since 'Go Set a Watchman' published in July, 2015."It has been nearly two years since the Obamas left the White House, but there is still intense interest in the former president and first lady."Becoming" remains No. 1 on the online lists kept by both the Amazon and Barnes & Noble websites.Her book landed in Amazon's No. 1 spot on Friday, November 9, and has not budged since.A gauntlet of TV interviews, including all three network morning shows, surely helped sales.The interviews will continue later this month. On Friday, November 30, she will be on "The Late Show with Stephen Colbert.""Becoming" is almost certain to rank No. 1 on the New York Times best selling books list, which comes out later on Wednesday.All the interest in the title — plus her nationwide arena tour — has stoked new speculation about her political prospects. Is there any chance she'd run for political office?"Let me be very clear, it will never happen," Obama adviser Valerie Jarrett told Alisyn Camerota on "New Day" Monday morning.As for Obama's husband, he is working on finishing his own memoir. Both books were acquired by Penguin Random House in a bidding war back in early 2017."Writing's hard," Barack Obama said at his foundation's annual summit on Monday. "I'm just sitting there, I type two words... delete."His remarks about the difficulties of writing were reported by The Atlantic. He reportedly told people to go buy his wife's book. 2531

 Delta's decision to cut ties with the NRA could cost it a generous tax break from the state of Georgia.The state's Republicans — including a major candidate for governor— are threatening to kill part of a bill that would eliminate a state tax on jet fuel. If it passes, the provision is expected to save the Atlanta-based airline tens of millions of dollars."We felt that it was wrong for them to single out one company," said Chuck Hufstetler, chairman of the state's Senate Finance Committee. Delta on Saturday announced that it would end discounted rates for National Rifle Association members.Hufstetler told CNN on Monday that if the airline does not reverse its stance on the NRA soon, he and others will push for the tax break to be stripped from the bill. The bill still needs to pass the Senate before it can be signed into law.If Delta holds its ground, he added, "I don't think [the bill] will pass as it is."The bill was until recently on track to earn approval from lawmakers.Georgia's House of Representatives voted in favor of the legislation last week. It also won over Republican Governor Nathan Deal, who called the measure an important part of the state's tax reform plan that would "keep Georgia competitive as a major international hub of commerce."Deal said at the time that he was "confident" in the bill's speedy passage.Things changed over the weekend.Delta became one of several companies — others include United Airlines and Hertz — to abandon its relationship with the NRA after a school shooting in Florida two weeks ago left 17 dead. That shooting has sparked renewed public debate over gun laws and reform.Delta said in a statement Saturday that the decision "reflects the airline's neutral status in the current national debate over gun control." It did not immediately respond Monday to CNN's request for comment.Georgia Republicans quickly rebuked the airline's decision.Georgia Lieutenant Governor Casey Cagle, a frontrunner in the state's gubernatorial race this year, vowed to "kill any tax legislation" that helps Delta unless it reverses course."Corporations cannot attack conservatives and expect us not to fight back," he tweeted.Rick Jeffares, a Republican who is running for lieutenant governor, also criticized the airline."Delta is now seeking a MILLION TAX BREAK from the Georgia Legislature," he posted on his campaign website. "Should Delta be rewarded for their attack on the NRA? I say "NO!"Since Thursday, more than a dozen brands have severed ties with the NRA. In a statement on Saturday, the NRA called those decisions "a shameful display of political and civic cowardice."Other companies have stood firm in their relationships with the gun group.FedEx is keeping its discount for NRA members in place, saying Monday that it "has never set or changed rates for any of our millions of customers around the world in response to their politics, beliefs or positions on issues."And the streaming platform Roku, which carries the online video channel NRATV, said last week that customers can choose which channels to download or watch."We operate an open streaming platform, however our content policies prohibit the publication of content that is unlawful, incites illegal activities or violates third-party rights," spokesperson Tricia Mifsud said at the time. 3339

 A federal judge has ruled that the White House must immediately restore CNN reporter Jim Acosta's hard press pass, the Associated Press reports.Judge Timothy J. Kelly, a Trump appointee, made the ruling on Friday morning.CNN sued the White House earlier this week after the White House revoked Acosta's pass due to a Nov. 7 incident during a White House press conference in which a White House staffer attempted to grab a microphone from Acosta as he attempted to ask a follow-up question. President Trump had told Acosta multiple times he wanted to give another reporter the opportunity to ask a question.More on this as it develops. 653

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