Rivers

July 25, 2014-- Hugged a River Today? July 25 is Colorado River Day (Public News Service)

The river that supplies water to much of the West and recreation to outdoor lovers has its own holiday. Today is Colorado River Day, and people are celebrating the river and reminding others of its importance to the region. State Rep. Joe Salazar, D-Thornton, is one of at least 40 elected officials who have signed a pledge calling on Gov.

April 23, 2014--Are large dams economical? (Ecologist)

A study of 245 large dams carried out at Oxford University shows that big hydropower is uneconomic. Actual costs are typically double pre-construction estimates - and have not improved over 70 years. Researchers at Oxford University have found that planners and policymakers systematically underestimate the costs and time required to implement large dam projects.


March 25, 2014--World’s river systems: Stressed OUT (Environmental News Network)

According to the World Resources Institute (WRI) many, if not most of the world's rivers are stressed. Determining a systems water stress is based upon measuring the ratio of total water withdrawals to the available renewable supplies within the catchment area.


December 9, 2013--Rivers and streams release more greenhouse gas than all lakes (Science Daily)

Rivers and streams release carbon dioxide at a rate five times greater than the world's lakes and reservoirs combined, contrary to common belief. Research


October 3, 2013--Relocating rivers? Water providers, officials facing rare challenge (Greeley Tribune)

Water officials and water providers face a rare predicament following last month’s historic flood.


March 26, 2013--EPA finds 55 percent of rivers and streams in US in poor condition; situation worse in East (Washington Post)

More than half of the country’s rivers and streams are in poor biological health, unable to support healthy populations of aquatic insects and other creatures, according to a new nationwide survey released Tuesday. The Environmental Protection Agency sampled nearly 2,000 locations in 2008 and 2009 — from rivers as large as the Mississippi River to streams small enough for wading.


March 12, 2013--Earth’s rivers are theme of annual Environmental Film Festival in D.C. (Washington Post)

Nearly 200 films from 50 countries will be screened in Washington this month as part of the annual Environmental Film Festival. This year’s theme is rivers, those bodies of water that are simultaneously vital for human survival and vulnerable to human progress.


January 11, 2013--Salinization of rivers: A global environmental problem (Science Daily)

The salinisation of rivers is a global problem that affects to countries all over the world and it causes a high environmental and economic cost, and poses a high risk to global health.


November 16, 2012--How does groundwater pumping affect streamflow? (Science Daily)

Groundwater provides drinking water for millions of Americans and is the primary source of water to irrigate cropland in many of the nations most productive agricultural settings. Although the benefits of groundwater development are many, groundwater pumping can reduce the flow of water in connected streams and rivers -- a process called streamflow depletion by wells.


October 29, 2012--River floods predicted using new technology (Environmental News Network)

Scientists are now using high-tech solutions to provide real-time forecast of the dangers of river floods caused by climate change and human activities to help avoid disasters. Not all countries are equal in the face of floods.


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