Fighting the climate crisis on an individual level can feel futile, but knowledge is power. Here's how to understand and calculate your own carbon footprint. Our team tests, rates, and reviews more ...

Google Maps has exciting details about locations around the world. One of the most valuable things to learn about an area is its elevation. You might not know where to find elevation measurements on ...

True altitude, defined as the height above mean sea level (MSL), is crucial for pilots to maintain situational awareness, interpret geographical elevations, and ensure safe flight operations by ...

Eric Gilbertson, a professor and mountaineer, carried highly-accurate GPS devices to the top of Crestone and East Crestone ...