Slimy green algae is taking over China’s beaches for an alarming reason

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RocketNews 24/Business Insider:

Every summer for the past eight years, huge algae blooms have taken over the beaches near Qingdao, a city in the Shandong province of China.

The bright green stuff has blanketed at least 13,500 square miles of ocean this summer, according to the South China Morning Post.

And this isn’t the first time it’s happened. In 2013, the blooms got as big as the state of Connecticut! Check out this year’s algae infestation.

The algae blooms every year on the beaches in Qingdao, on China’s northeast coast between Beijing and Shanghai. The first blooms appeared in 2007 after seaweed farmers working south of Qingdao switched up how they clean off their rafts.

the-algae-blooms-every-year-on-the-beaches-in-qingdao-on-chinas-northeast-coast-between-beijing-and-shanghai-the-first-blooms-appeared-in-2007-after-seaweed-farmers-working-south-of-qingdao-switched-up-how-they-clean-off-their-rafts

Farmers use the rafts to make nori, a type of edible seaweed that’s popular in Japan. When the rafts are cleaned off in the spring, along comes the algae, which thrives off the leftover seaweed nutrients and the warm conditions in the Yellow Sea.

farmers-use-the-rafts-to-make-nori-a-type-of-edible-seaweed-thats-popular-in-japan-when-the-rafts-are-cleaned-off-in-the-spring-along-comes-the-algae-which-thrives-off-the-leftover-seaweed-nutrients-and-the-warm-conditions-in-the-yellow-sea

Researchers think the reason for the algae growth in Qingdao is that seaweed farmers started cleaning their rafts farther offshore. This gave the algae the chance to spread out and make its way to the shore up near the city.

researchers-think-the-reason-for-the-algae-growth-in-qingdao-is-that-seaweed-farmers-started-cleaning-their-rafts-farther-offshore-this-gave-the-algae-the-chance-to-spread-out-and-make-its-way-to-the-shore-up-near-the-city

Ever since the large blooms started popping up, tourists have viewed it as a summer tradition to head down to the beach and play in the algae.

ever-since-the-large-blooms-started-popping-up-tourists-have-viewed-it-as-a-summer-tradition-to-head-down-to-the-beach-and-play-in-the-algae

While it’s a ton of fun to play in, it’s actually connected to pollution from nearby agriculture and industrial plants that gets in the water.

while-its-a-ton-of-fun-to-play-in-its-actually-connected-to-pollution-from-nearby-agriculture-and-industrial-plants-that-gets-in-the-water

But luckily, there are some ways to use the algae to benefit the community: It makes for a good fertilizer and green energy source.

but-luckily-there-are-some-ways-to-use-the-algae-to-benefit-the-community-it-makes-for-a-good-fertilizer-and-green-energy-source

Cleaning it up is no small feat — it has to be done quickly, because the algae begins to stink like rotten eggs when it decomposes. Here, workers scoop up the algae during the 2014 bloom.

cleaning-it-up-is-no-small-feat--it-has-to-be-done-quickly-because-the-algae-begins-to-stink-like-rotten-eggs-when-it-decomposes-here-workers-scoop-up-the-algae-during-the-2014-bloom

It’s not just stinky; it’s also incredibly heavy. Workers who cleaned up the 2013 bloom collected more than 19,800 tons of the stuff — about the same weight as 9,900 cars!

its-not-just-stinky-its-also-incredibly-heavy-workers-who-cleaned-up-the-2013-bloom-collected-more-than-19800-tons-of-the-stuff--about-the-same-weight-as-9900-cars

If left where it is, the algae can spread to other beaches and become an even bigger environmental problem.

if-left-where-it-is-the-algae-can-spread-to-other-beaches-and-become-an-even-bigger-environmental-problem

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