Chlorophyll is used by algae and other phytoplankton--the grass of the sea--to convert sunlight and carbon dioxide into sugars. These maps show chlorophyll concentrations in the ocean, revealing where phytoplankton are thriving.
Jul 2002 — Jun 2025
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.
Feb 2000 — May 2025
The Rwenzori Mountains in eastern Africa are renowned for their water resources and endemic plants and animals, but like elsewhere in the tropics, the glaciers are dwindling.
Published May 17, 2025
Researchers used NASA satellite data to detect swarms of red-tinged copepods, a key food source for the endangered marine mammals, in the Gulf of Maine.
Published May 12, 2025
The rugged chain of islands is home to thousands of sheep and known for its white sand beaches.
Published Dec 11, 2024
