The only total solar eclipse of 2021 was visible from Antarctica, where the Moon blotted out the Sun for nearly two minutes.
Published Dec 7, 2021
The reservoir provides water for Napa wine country and for cities in Northern California.
Published Dec 5, 2021
Starved of its sediment supply, the Ebro Delta faces erosion and subsidence, along with rising seas and more frequent and intense storms.
Published Dec 6, 2021
A long-awaited system of movable floodgates is starting to protect the city from the highest tides.
Published Dec 2, 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 — Nov 2021
