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Farmers in some regions are being encouraged to preserve and establish grasslands that can survive drought and protect the soil. AP Photo/Mark Rogers

Grim 2022 drought outlook for Western US offers warnings for the future as climate change brings a hotter, thirstier atmosphere

La Niña is only part of the problem. The long-term driver of increasing drought – even in areas getting more rainfall overall – is the rapidly warming climate.
The white ‘bathtub ring’ around Lake Mead, shown on Jan. 11, 2022, is roughly 160 feet high and reflects falling water levels. George Rose/Getty Images

What is dead pool? A water expert explains

The Colorado River provides water and electricity to 40 million people in the western US, but falling water levels threaten both of those resources.
NASA’s Landsat satellites have been monitoring changes on Earth’s landscape for 50 years. NASA illustration

Satellites over the Amazon capture the choking of the ‘house of God’ by the Belo Monte Dam – they can help find solutions, too

When Indigenous peoples lose their river flow to dams, satellite programs like Landsat – which is celebrating its 50th anniversary – can help them fight for their resources.
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.
Homes overlook a forest in the wildland-urban interface in Arizona. Marius von Essen

The fastest population growth in the West’s wildland-urban interface is in areas most vulnerable to wildfires

A new study maps vegetation’s fire risk across the West and shows where population in the highest-risk areas from California to Texas is booming.
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.

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