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Feds’ Colorado River Choice: California’s Rights or Arizona’s Future?
Almost half of all the water that flows through the Colorado River each year is consumed by just two states: Arizona and California. For the Biden administration to stabilize the river, one of the two states will have to lose big.
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Texas Senate Moves to Set Aside Billions for Future Water Needs
The Texas Senate on Monday passed a bill that would create a new state fund tailored for large or long-shot water supply projects, including marine desalination. The bill will advance to the House.
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California’s Best New Source of Water? Reuse.
While expensive solutions like new reservoirs and seawater desalination grab attention, California communities are quietly building up their capacity to clean stormwater and wastewater for reuse for irrigation, industry and, yes, drinking water too.
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How to Deal with Winter Droughts and Water Shortages
Warmer winters and sparse rainfall have dried up southern Europe. Water scarcity in Italy, France and other countries is threatening this year’s harvests. What to do?
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Mitigating the Impact of Extreme Weather and Climate Uncertainty on Reservoirs
Abrupt weather extremes, changing climate and frequent natural hazards such as floods and droughts create challenges for our nation’s aging reservoir systems. Researchers are working to help mitigate these problems.
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Climate Change-Driven Water Crises More Severe Than Previously Thought
The interference of climate change with the planet’s water cycle is a well established fact. New analyses suggest that in many places, runoff responds more sensitively than previously assumed.
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A Water War Is Brewing Over the Dwindling Colorado River
Diminished by climate change and overuse, the river can no longer provide the water states try to take from it.
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A Simmering Revolt Against Groundwater Cutbacks in California
In 2014, California legislators, focused on groundwater’s accelerating decline during a prolonged drought, passed the Sustainable Groundwater Management Act. New agencies find making sustainability plans is hard, but easier than persuading growers to accept them.
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Flash Droughts Becoming Big Concern for Farmers, Water Utilities
Many people are familiar with flash floods – torrents that develop quickly after heavy rainfall. But there’s also such a thing as a flash drought, and these sudden, extreme dry spells are becoming a big concern for farmers and water utilities.
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Drought Encouraged Attila’s Huns to Attack the Roman Empire, Tree Rings Suggest
Hunnic peoples migrated westward across Eurasia, switched between farming and herding, and became violent raiders in response to severe drought in the Danube frontier provinces of the Roman empire.
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The Cold War Legacy Lurking in U.S. Groundwater
In America’s rush to build the nuclear arsenal that won the Cold War, safety was sacrificed for speed. ProPublica has cataloged cleanup efforts at the 50-plus sites where uranium was processed to fuel the nation’s nuclear arsenal. Even after regulators say cleanup is complete, polluted water and sickness are often left behind.
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Maintaining Mountain Snowpacks Essential for Preserving Valuable Freshwater Resource
Snowcapped mountains generate mountain water runoff and snowmelt, which flow down to streams, rivers, lakes, and oceans. Around a quarter of the world depends on these natural “water towers” to replenish downstream reservoirs and groundwater aquifers for urban water supplies, agricultural irrigation, and ecosystem support. Carbon mitigation strategies are needed to maintain snowpack throughout the Americas.
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Managing Water Resources in a Low-to-No-Snow Future
With mountain snowpacks shrinking in the western U.S., new Berkeley Lab study analyzes when a low-to-no-snow future might arrive and implications for water management.
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Texas’ Plan to Provide Water for a Growing Population Ignores Climate Change
Texas’ biggest single solution to providing enough water for its soaring population in the coming decades is using more surface water, including about two dozen new large reservoirs. But climate change has made damming rivers a riskier bet.
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Removing One Dam after Another: Water in the West
Many of the cities of the American southwest would not exist were it not for dams. Dams come with a cost, but removing them without offering alternatives is a folly, Edward Ring writes. If the proponents of dam removal would simultaneously support practical new infrastructure solutions, then rewilding America’s rivers could happen without impoverishing the farms and cities that depend on water,” Ring writes. “There is naïveté, and also nihilism, in fighting to remove the building blocks of civilization without facing the realities of energy and water economics.”
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The long view
Water Wars: A Historic Agreement Between Mexico and US Is Ramping Up Border Tension
As climate change drives rising temperatures and changes in rainfall, Mexico and the US are in the middle of a conflict over water, putting an additional strain on their relationship. Partly due to constant droughts, Mexico has struggled to maintain its water deliveries for much of the last 25 years, deliveries to which it is obligated by a 1944 water-sharing agreement between the two countries.