The Cool Down on MSN

Pepsi rolls out innovative 'reverse vending machines' for chance to win over $30,000: 'In addition to the normal 10c refund'

"Started with a simple enough question." Pepsi rolls out innovative 'reverse vending machines' for chance to win over $30,000 ...

Reimagining waste as a resource: Scientists transform polystyrene into nylon precursors

Waste plastics come in many forms. While some waste plastics are easily recyclable, others can pose significant challenges.