From that, scientists can directly calculate how much carbon has been absorbed. To measure tree height around the globe, Lefsky used lidar data from a satellite orbiting 600 kilometers above Earth.

Tree growth is one of the most essential and widely collected woody plant traits. Yet, the traditional method to measure tree growth is awkward and time consuming. Scientists have developed a new ...

Mark this point on the stick, then measure the distance to the ground. The measurement you get in inches will be roughly the same as the height of the tree in feet.

Physicists like to share the legend of a professor who asked students how they might determine the height of a building using a barometer. The story goes on to list some of the ways you might do ...