How much the typical worker makes at 19 retailers, from Amazon to Walmart

Tech Insider
Packages of steaks at a Costco store
Costco pays better than any other major retailer.

Justin Sullivan/Getty Images

See the $36 billion Great Green Wall in Africa that's an attempt to hold back desertification

Tech Insider
Two people water plants in a mesh-enclosed garden in Senegal
Since 2007, a variety of projects have started as part of the Great Green Wall, including growing gardens in Senegal.

Zohra Bensemra/Reuters

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