In August 2011, Speth and his chief engineer finally broke through more than two meters of earth and reinforced concrete and the shelter's 278-millimeter-thick ceiling to emerge into a 40-square-meter space, divided into five interconnecting rooms by heavy metals doors.

CNN: Vietnam War bunker reopened under luxury hotel

The Environment Agency scheme includes a combination of hard defences, reinforced concrete walls with sheet metal cores and earth embankments.

BBC: Towns' flood defences in place

For Victoria Fletcher (13), Rush Lyons (14), Thomas Shields (13) and their teammates, the experience of designing a product and marketing it to judges not only reinforced the value of teamwork, but demonstrated the applications that science and math can have on Earth and beyond.

WHITEHOUSE: The White House

The rash of e-cycling legislation in recent years has reinforced natural market forces driven by high prices and limited supplies of core electronic components like platinum and rare earth to promote the nascent industry.

FORBES: Scavenging World's Mega-Dumps for Precious E-Waste