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Sustainability

Putting a Price Tag on Carbon Emissions

The atmospheric concentration of carbon dioxide surpassed 400 parts per million (ppm) in 2016. The United States alone emitted approximately 5.3 gigatons of carbon...

How California Put an End to Plastic Bags

California’s November 2016 election ballot wasn’t headlined by candidates for the presidency or Senate. The state’s preference on those fronts was well known. Rather,...

The Economics and (In)efficiency of Recycling

  Recycling has long been recognized as a valuable exercise, with examples in Greece and Japan dating back thousands of years, but the modern recycling...