Lebanese divers take part in cleaning the seabed off the coastal city of Batroun, north of Beirut, on October 14, 2017. The Lebanese divers plunge below the surface, scuba tanks on their backs and nets in hand. But what they're looking for under the ocean surface is not treasure, it's trash. The group is conducting a clean-up below the waves, one of many initiatives emerging from Lebanon's civil society and private sector in response to the government's failure to address a long-running garbage crisis. / AFP PHOTO / IBRAHIM CHALHOUB (Photo credit should read IBRAHIM CHALHOUB/AFP/Getty Images)

Anyone who has carried a couple of gallons of water any distance knows just how heavy the planet’s most abundant liquid actually is. So perhaps it won’t be surprising to learn that the melting of the Arctic and Antarctica has had a profound and dramatic effect on the ocean floor.

It’s almost inconceivable, but with all the added weight, the ocean floor is sinking. And no, that isn’t good news for the planet. Once again, climate deniers have pulled and twisted the science to suit their own agenda, and they couldn’t be more wrong.

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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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[DIGEST: New York Times, Natural Resources Defense Council, Inside Climate News]

Changes to the American diet between 2005 and 2014 resulted in a nine percent decrease in the average American’s carbon footprint, according to a new report issued by the Natural Resources Defense Council (NRDC). Due to these dietary changes, Americans avoided about 271 million metric tons of climate-warming pollution—or about the equivalent of the emissions from 57 million cars.

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