Greenness is an important indicator of health for forests, grasslands, and farms. The greenness of a landscape, or vegetation index, depends on the number and type of plants, how leafy they are, and how healthy they are.
Mar 2000 — Dec 2022
Fifty years after Apollo 17 astronauts photographed the iconic “blue marble” image, cameras in space have again captured distant views of our home planet.
Published Dec 7, 2022
Almost all life in the ocean depends on tiny photosynthetic organisms known as phytoplankton.
Published Dec 3, 2022
New evidence shows that a sufficient amount of daylight penetrates the ice to sustain blooms of floating, plant-like organisms.
Published Nov 29, 2022
A burst of green overtakes the normally brown landscape of central Mali as vegetation takes advantage of the seasonal inflow of water.
Published Nov 14, 2022
