climate45
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Western Water Woes – Is Big Infrastructure the Way to Go?
Guest Blog by Michael Clark Pat Mulroy, the general manager of the Southern Nevada Water Authority, spoke on July 20 at a US Chamber of Commerce conference, as part of its Invest in Water Initiative, and proposed a bold idea: build a pipeline to divert Mississippi River flood waters to the West. This, she said,…
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Fears of a Double Dip…La Niña
You’d be forgiven for thinking its 2008 and not just because of the economic uncertainty. Is there a dreaded double dip La Niña in store, too?
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Canadian Boreal: Protecting Today’s Water for Tomorrow
Canada’s Boreal forest is far from the public eye, but it contains 25 percent of the world’s wetlands.
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The Less Thirsty Cars of the Future
Good news for clean air and water: President Obama unveiled an agreement last week to raise the bar on fuel economy by 2025.
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The Role of Drought in the Horn of Africa Famine
Let’s get this out of the way. The current famine in the Horn of Africa isn’t caused by drought. Rather, a complex mix of societal and political factors created a dangerous situation. The worst drought in 60 years (pdf) is what pushed that situation over the edge into a humanitarian crisis. However, just as these…
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The Year of Drought and Flood
It seems that this year the world is experiencing a crisis of both too little water and too much. And while these crises often occur simultaneously in different regions, they also happen in the same places as short, fierce bursts of rain punctuate long dry spells.
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Somali Drought; Harbinger of Hard Times
For all its problems, Southern California has been a wonderful home for a lot of people over the past 100 or so years. It has nice beaches, good roads, plenty of places to eat, and, for now, a reliable supply of drinking water. Now imagine the L.A. riots had spread across the entire region, plunging…
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Understanding GHG emissions: Stock vs. Flows
In discussing climate change and greenhouse gas (GHG) emissions, a key distinction must be made between the stock of GHGs in the atmosphere, and the flow of GHGs, primarily emissions. Understanding this difference is crucial for designing and implementing policies to effectively address the problem. Because a bathtub is something that most of us are…
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Ripple Effect Author Talks Efficiency; Cleanup
The outlook for global water is bleak, but Alex Prud’Homme still believes in the power of human ingenuity.
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
