Impact Energies is a grantee of the Great Energy Challenge initiative.
Climb aboard for an epic public transit tour of Switzerland. This seven-day itinerary is a celebration of all things transport: trains, boats, buses, zip lines, cogwheel trains, funiculars, and more.
See how much you don't know about energy use and energy sources with this quiz from National Geographic.
Freshwater Hero - Zeb Hogan
See photos of freshwater mammals, such as manatees, hippos, otters, and more, in this photo gallery from National Geographic.
Learn about the water consumed to make everyday products.
Learn all you wanted to know about Chinese paddlefish with pictures, videos, photos, facts, and news from National Geographic.
Meet the Freshwater Heroes at National Geographic
Natural Disasters --Tornado Pictures -- National Geographic
Sustainability at National Geographic