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 2021
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 — Mar 2021
Global warming would be worse were it not for extra vegetation that changes how and where heat builds up across the landscape.
Published Mar 10, 2021
Click to see the 2021 champion.
Published Mar 8, 2021
The barrier island in Texas has much to teach about barrier islands and Martian life.
Published Jan 31, 2021
