One of Carvana's auto vending machines. (Courtesy of Carvana)
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In response to concerns about putting a see-through glass tower in the path of migrating birds, Carvana revised its plan to incorporate bird-friendly components. Critics called the proposed mitigations “woefully inadequate.” 

One of Carvana's auto vending machines. (Courtesy of Carvana)
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A 140-foot-tall transparent structure that’s brightly illuminated 24/7, located across the street from Harms Woods nature preserve, along a key migratory greenway, is a triple threat to birds, environmentalists say.

Arashiyama Bamboo Forest, Japan (Daniel Peckham / Flickr)

From the Amazon to Jiuzhaigou Valley, the world’s forests are racking up hashtags. But there’s no need to travel out of Cook County in search of photogenic flora.

Harms Woods (Courtesy North Branch Restoration Project)

The state has recognized a 169-acre section of Harms Woods, which is home to 400 different plant species, as an official state nature preserve, the highest level of protection for land in the state.