Powering our planet without ruining it.
Learn about the energy challenges we face in the future by calculating your carbon footprint, taking quizzes, and more.
See photos of freshwater mammals, such as manatees, hippos, otters, and more, in this photo gallery from National Geographic.
Learn all you wanted to know about Chinese paddlefish with pictures, videos, photos, facts, and news from National Geographic.
Water Footprint Calculator
Meet the Freshwater Heroes at National Geographic
Natural disasters facts, pictures, quizzes, video from National Geographic
Environmental Studies - National Geographic Sustainability
Test your knowledge of drinking water and water sanitation methods in this freshwater quiz from National Geographic.
Learn all you wanted to know about Chinese sturgeons with pictures, videos, photos, facts, and news from National Geographic.
The Innovators Project
Three decades ago, the innovative physicist had a eureka moment that explained the universe.
How to Feed Our Growing Planet
National Geographic explores how we can feed the growing population without overwhelming the planet in our food series.