Amsterdam birdhouses distribute free Wi-Fi when air pollution levels are down
June 13, 2016, 4:54 p.m. by Matt Hickman
TreeWiFi gives an incentive to air quality-mindful residents.
Champs-Elysees is going car-free the first Sunday of each month
May 9, 2016, 11:25 a.m. by Jaymi Heimbuch
Paris gives cars the boot on this popular thoroughfare one day a month to promote clean air and exploring the city on foot.
As U.N. makes history on Earth Day, Leonardo DiCaprio reminds us not to rest on laurels
April 22, 2016, 2:31 p.m. by Russell McLendon
More than 170 world leaders signed the Paris Agreement on Earth Day 2016, but that's just the beginning.
Gibraltar deflates celebratory annual balloon release
April 9, 2016, 11:21 a.m. by Matt Hickman
The longstanding festivities are likened to 'mass aerial littering.'
Dead sperm whales discovered with plastic parts, nets in stomachs
March 29, 2016, 11:59 a.m. by Michael d'Estries
Researchers studying 13 whales that washed up on the coast of Germany made the startling find during a necropsy.
How do you rescue a tangled porcupinefish? Very carefully.
March 25, 2016, 3:14 p.m. by Russell McLendon
Dodging sharp spines, a clever snorkeler uses a broken bottle to save a porcupinefish from a fishing net.