Queensland, Australia/Youtube

Uber is going under.

Down under—to Australia's Great Barrier Reef.

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Ninjas from Iga (L and 2nd R) pose with female ninjas from Tokyo's Musashi ninja clan (2nd L and R) during the Iga-Ueno Ninja Festival at the Ueno park in Iga city on December 8, 2013. Iga city in Mie prefecture, about 350-kilometre west of Tokyo, a birthplace of Iga-style ninjas, held the two-day-long festival to attract visitors to the city. AFP PHOTO / TOSHIFUMI KITAMURA (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)

Like many small cities in Japan, the city of Iga, in Mie Prefecture, is facing a serious depopulation problem. The city of 95,000 is shedding about 1,000 residents annually. Young people from Iga, like young people across the planet, are forsaking rural life in favor of city life.

In order to help combat this trend, Iga Mayor Sakae Okamoto is looking to Iga’s past. And what sets it apart from any number of cities in similar circumstances is that Iga’s history is awesome. Iga claims to be the birthplace of the ninja. It’s already home to one ninja museum, and the city is making moves to underscore its history. But a recent effort to promote its revitalization plan left Okamoto scrambling to set the record straight on some fake news.

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Tourists relax in a beach in Boracay, Malay town, in central Philippines on April 17, 2018, ahead of its closure. (Photo credit should read STR/AFP/Getty Images)

It’s been known for years that air travel is one of the worst things a person can do for the environment. In fact, just one round-trip flight from New York to California emits 20 percent of the greenhouse gases produced by the typical passenger vehicle over the course of an entire year.

However, in even worse news for travel-lovers, a recent study found that tourism accounts for a full 8 percent of the world’s greenhouse gas emissions. This includes not only plane transit, but food production for tourists; hotel construction, maintenance and cleaning; and the manufacture and sale of souvenirs.

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President Donald Trump acknowledges the media as he walks to the residence after disembarking from Marine One on the South Lawn of the White House on March 19, 2017 in Washington, DC. (Pete Marovich-Pool/Getty Images)

Travel to the U.S. steadily declined since President Donald Trump took office in 2017. The latest report shows the "Trump Slump" caused $4.6 billion in lost spending and 40,000 jobs.

The latest data from the National Travel and Tourism Office shows a 3.3 percent fall in travel spending and a 4 percent drop in international travel to the United States.

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[DIGEST: National Geographic, CBS, Daily Mail, Fox News, NY Post]

Exploring the wilderness comes with some risks, and every year people die during adventure vacations around the world. Maykool Coroseo Acuña, a 25-year-old man from Chile, nearly joined these ranks when he disappeared in the Bolivian Amazon while on holiday. He survived nine days in the woods, without shelter or provisions — thanks, he says, to a friendly group of monkeys who gave him food and led him to water sources.

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[DIGEST: STAT, Natural Society, Boston Globe, New York Times, New England Journal of Medicine]

Medical tourism - traveling to another country to obtain treatment - isn’t a new concept, but the lure of unregulated stem cell therapy has patients risking their lives for a miracle cure.  

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