Stacey Vanek Smith is the co-host of NPR's The Indicator from Planet Money. She's also a correspondent for Planet Money, where she covers business and economics. In this role, Smith has followed economic stories down the muddy back roads of Oklahoma to buy 100 barrels of oil; she's traveled to Pune, India, to track down the man who pitched the country's dramatic currency devaluation to the prime minister; and she's spoken with a North Korean woman who made a small fortune smuggling artificial sweetener in from China.
The goal is to save money, cut back on overconsumption and be more mindful of wasteful and unsustainable shopping habits. This guide can help you start a challenge of your own.
America's only cobalt mine opened last year to great fanfare, as the mineral is crucial for green energy. But it surprisingly closed just months later.