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Articles on Irrigation

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Scientists say that wasting coffee and water while making a cup of coffee has a larger carbon footprint than using coffee capsules. (Unsplash)

Here’s how your cup of coffee contributes to climate change

Coffee capsules aren’t the biggest carbon culprits. It’s better to use a capsule than to waste coffee and water.
Wireless sensors and data systems can help farmers use water much more efficiently by monitoring soil conditions. Lance Cheung/USDA via Smith Collection/Gado/Getty Images

Farmers can save water with wireless technologies, but there are challenges – like transmitting data through mud

The Agricultural Internet of Things is making farming more efficient. An information technology expert describes some of the challenges of working with sensors and antennas underground.
The old village of Aceredo, submerged 30 years ago when a hydropower dam flooded the valley, emerged during a drought in northwestern Spain, in February 2022. (AP Photo/Emilio Morenatti)

IPCC report: Half the world is facing water scarcity, floods and dirty water — large investments are needed for effective solutions

Water is central to adapting to climate change, but very few of the strategies put in place to respond to water hazards or ensure its availability have been evaluated.
Groundwater is used for irrigation and drinking water, but those wells are rarely more than one kilometre deep. A huge volume of salty water exists as much as 10 kilometres below the Earth’s surface. (Shutterstock)

Groundwater — not ice sheets — is the largest source of water on land and most of it is ancient

Groundwater is the second-largest store of water on Earth. Governments and industry use groundwater reservoirs to store waste, but it may also have environmental functions that haven’t been revealed.
Some of North America’s groundwater is so old, it fell as rain before humans arrived here thousands of years ago. Maria Fuchs via Getty Images

Ancient groundwater: Why the water you’re drinking may be thousands of years old

As surface water diminishes in the Western US, people are drilling deeper wells – and tapping into older groundwater that can take thousands of years to replenish naturally.
Dry conditions across the West follow a hot, dry year of record-setting wildfires in 2020. Communities were left with scenes like this, from California’s Creek Fire. Amir Aghakouchak/University of California Irvine

Another dangerous fire season is looming in the Western U.S., and the drought-stricken region is headed for a water crisis

Drought conditions are so bad, fish hatcheries are trucking their salmon to the ocean and ranchers are worried about having enough water for their livestock.
An orchard near Kettleman City in California’s San Joaquin Valley on April 2, 2021. Frederic J. Brown/AFP via Getty Images

Water wells are at risk of going dry in the US and worldwide

The US has one of the highest groundwater use rates in the world. When wells run dry, households may opt to conserve water, find new sources or sell and move.
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Water injustice runs deep in Australia. Fixing it means handing control to First Nations

First Nations people have almost no say in how water is used in Australia. The Productivity Commission’s latest report does little to address that.

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