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 — Mar 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 — Mar 2025
The rugged chain of islands is home to thousands of sheep and known for its white sand beaches.
Published Dec 11, 2024
A series of explosive eruptions from Mount Lewotobi lofted ash to the cruising altitudes of jets.
Published Nov 14, 2024
Torrential rains from Hurricane Helene swamped communities in the mountainous western part of the state.
Published Oct 4, 2024
