Costa Rica poised to become world's first fossil fuel-free country
May 11, 2018, 1:39 p.m. by Matt Hickman
The Central American nation's new president makes a bold pledge.
New York's Tappan Zee Bridge to live on as artificial reef
May 7, 2018, 8:24 a.m. by Matt Hickman
The decrepit Hudson River span will at long last sleep with the fishes.