Kroger, America's Largest Supermarket Chain, Plans to Get Rid of Plastic Bags by 2025

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If you're a regular shopper at Kroger supermarkets, it's time to stock up on reusable shopping bags. As the Ohio-based news station WTOL reports, the largest grocery store chain in the U.S. will soon begin phasing out plastic bags, with plans to eliminate them completely by 2025.

Customers at Quality Food Centers (QFC), a Seattle-based subsidiary of Kroger, will be the first to notice the change. The stores will phase out single-use bags over the next year, pushing customers to rely on reusable bags made from cloth or other materials. From there, plastic bags will begin disappearing from all of the approximately 2800 Kroger-owned grocery stores across the country.

Up to 1 trillion plastic bags are used worldwide each year, and only about 5 percent of them are recycled. Even when they are recycled, plastic bags are notoriously hard for recycling plants to deal with, since the thin plastic acts like a magnet for food waste.

Because of growing recognition of the environmental impact of all that trash, the movement to switch to reusable bags has been gaining steam over the last decade, and a number of major cities have implemented bag fees or banned single-use bags altogether. Kroger now joins the small group of supermarket chains taking initiative on the matter on a national level.

The bag phase-out is part of Kroger's larger Zero Hunger | Zero Waste sustainability plan. The initiative aims to relieve hunger in the stores' local communities as well as reducing landfill waste by 90 percent by 2020.

[h/t WTOL]

You’ll Be Able to Buy Some of Fiona the Hippo’s Poop to Fertilize Your Garden

Mark Dumont, Flickr // CC BY-NC 2.0
Mark Dumont, Flickr // CC BY-NC 2.0

Fiona the hippo has come along way since she was born two months premature at the Cincinnati Zoo in 2017. Today, Fiona is happy and healthy, weighing in at more than 1200 pounds. A hippo that size makes a lot of excrement, and now Fiona fans can purchase some of it to fertilize their gardens, WLWT5 reports.

Fiona produces about 22 pounds of poop a day; just 7 pounds shy of her birth weight. Normally the dung would be sent to a landfill, but as part of its new zero-waste initiative, the Cincinnati Zoo is composting all of its animal waste into fertilizer. Much of it will be added to the zoo's own farm and gardens, but some will also be available to purchase from the zoo's gift shops and online store. The fertilizer will be made from the dung left behind by the hundreds of animals living at the zoo, including Fiona.

The Cincinnati Zoo bills itself as the greenest zoo in the country. In addition to recycling all of its animal waste into compost, it also aims to fill its animal habitats with recycled rain water and grow more food for its animals on its own farm [PDF]. For the zero-waste part of the plan, the zoo plans to repurpose two million pounds of animal feces each year using a combination of on-site and off-site composting.

The zoo is in the process of acquiring the necessary equipment to launch its waste composting program. When the time comes, Fiona will be ready to make her sizable contributions to the project.

[h/t WLWT5]

Fat Bats Might Be Resistant to Deadly White-Nose Syndrome

Penn State, Flickr // CC BY-NC-ND 2.0
Penn State, Flickr // CC BY-NC-ND 2.0

Good news for flying mammals: chubby little brown bats might be genetically resistant to white-nose syndrome, a fungal disease that’s killed more than 5.5 million bats since it was first documented in 2006 [PDF]. A new study in the journal Scientific Reports describes three genetic adaptations in the bats that could protect them from the pathogen.

Little brown bats (Myotis lucifugus), common in Canada and the eastern United States, are especially susceptible to white-nose syndrome. According to lead author Giorgia G. Auteri, a doctoral candidate at the University of Michigan, white-nose syndrome kills bats by disrupting their hibernation cycles.

“When they’re in hibernation in the winter, they’re not meant to be waking up. They’re supposed to be asleep,” Auteri tells Mental Floss. “But this fungus grows on them, and it causes the bats to keep waking up during hibernation. And because they’re waking up when they shouldn’t be, they’re running out of fat reserves too early.”

But while white-nose syndrome has devastated bat populations in North America, not all infected bats die from the disease—some recover. Auteri wanted to find out what made the survivors so special.

Auteri and her team compared the genetic makeup of nine surviving and 29 non-surviving little brown bats from northern Michigan. They discovered that survivors share three important genetic distinctions. “One is involved with fat metabolism,” she says. “And another is involved with regulating when the bats wake up from hibernation. And the third gene is involved in their echolocation ability, in their sonar for hunting insects.”

The results make sense, Auteri says. Because white-nose syndrome interrupts bats’ hibernation schedules, bats with genes that relate to more optimal fat storage (i.e., they’re fatter) and better hibernation regulation (i.e., they sleep longer) are more likely to survive the disease.

Auteri’s research could help scientists and conservationists find ways to preserve little brown bat populations. Besides being adorable, little brown bats also play an important ecological role as predators of insects like mosquitoes, moths, and other pests that are destructive to crops and forests.

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