20K views · 419 reactions | The whole world is at your fingertips. NASA’s Eyes on the Earth tool lets you track Earth satellites and the planet’s vital signs—from carbon dioxide in the atmosphere to sea level. Recent upgrades create a more in-depth experience. Time to explore: https://go.nasa.gov/30B7lPV | NASA Earth | Facebook

Visitors from around the globe come to America’s national parks to camp, hike, explore and enjoy the scenery. But the volume of traffic means educating visitors on how to reduce their impact is vitally important: https://g.co/earth/leavenotrace | Google Earth