US urges Laos to address mega dam concerns

The United States urged caution on plans by Laos to build a multibillion-dollar dam that has raised environmental concerns from neighboring nations, saying its impact was still "unknown."

Image: Rusty red waters in Madagascar

Iron-rich sediment colors the red-orange waters of the Betsiboka River Delta in Madagascar in this image taken by an astronaut on the International Space Station on Sept. 30, 2023. The sediment can clog waterways in the delta's ...

Interdisciplinary team recreates colonial hydrology

Hydrologists may have a new way to study historical water conditions. By synthesizing present-day data with historical records they may be able to recreate broad hydrologic trends on a regional basis for periods from which ...

Landsat satellites find the 'sweet spot' for crops

Farmers are using maps created with free data from NASA and the U.S. Geological Survey's Landsat satellites that show locations that are good and not good for growing crops.

Researchers develop virtual streams to help restore real ones

Researchers at the University of Minnesota have developed a unique new computer model called the Virtual StreamLab, designed to help restore real streams to a healthier state. The Virtual StreamLab, which demonstrates the ...

Laos to start construction of mega dam 'this week'

Laos on Monday said it would start construction of a controversial multi-billion dollar dam this week, after adapting the design to calm environmental concerns from neighbouring nations.

page 7 from 10