Environment
Photos of unbelievable rock formations and landforms on Earth that will make you reach for textbooks
India pledges to cut greenhouse gas emission by ratifying Paris climate treaty; US, UN laud decision
Sea food industry faces threat from ocean acidification, rising temperatures: Study
India to ratify Paris climate deal on Mahatma Gandhi's birth anniversary
Horses can communicate with humans by pointing at signs
Climate change linked to shifts in Earth rotation drove early human migration out of Africa
New species known as 'Ghost snake' discovered
Blue whale rescued off the coast of Maharashtra [Video]
Barents Bloom: viewing Phytoplankton from satellite imagery
India, 23 other nations to participate in UNESCO's Indian Ocean tsunami mock drill on Sept. 7-8
Barack Obama is to expand Hawaiian marine reserve four-fold
See Hawaiis most active volcano in action in this stunning 4K video
Legendary Ranthambore tigress Machhli dies, cremated with full Hindu rituals [PHOTO]
Solar Impulse 2 at the finish line after historic world journey [Video timeline]
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