Thirty-story buildings used for crop-growing is a good idea on paper, but the challenges still outweigh the benefits.
"What's needed before millions of dollars are spent to construct or renovate an existing 30-story building into a vertical farm, [Columbia University professor of public health Dickson] Despommier says, are prototypes just a few stories high. They should be built at leading agricultural universities and tinkered with until the concept is proved. 'Once it does, drive it out of the showroom and take it home,' he says.
While Despommier has won admirers around the world for his innovative thinking, skeptics still wonder how he's going to handle the problem of solar energy – bringing necessary light to the interior and lower floors of his agri-towers. 'As soon as you go vertical, you compound that problem of getting that [solar] energy to the plant,' says Gene Giacomelli, director of the Controlled Environment Agriculture Center at the University of Arizona in Tucson."
"The challenges also include finding and training indoor 'farmers' who can operate what is likely to be a complex system. 'There's nobody at the moment,' Giacomelli says. The technical problems aren't insurmountable – crops are being grown indoors at the South Pole, albeit at great expense, he says. But, he adds, 'There are many more ways to fail [at indoor agriculture] than to grow a crop correctly and succeed.'"
FULL STORY: Cities may sprout vertical farms

Manufactured Crisis: Losing the Nation’s Largest Source of Unsubsidized Affordable Housing
Manufactured housing communities have long been an affordable housing option for millions of people living in the U.S., but that affordability is disappearing rapidly. How did we get here?

Americans May Be Stuck — But Why?
Americans are moving a lot less than they once did, and that is a problem. While Yoni Applebaum, in his highly-publicized article Stuck, gets the reasons badly wrong, it's still important to ask: why are we moving so much less than before?

Using Old Oil and Gas Wells for Green Energy Storage
Penn State researchers have found that repurposing abandoned oil and gas wells for geothermal-assisted compressed-air energy storage can boost efficiency, reduce environmental risks, and support clean energy and job transitions.

Updating LA’s Tree Rules Could Bring More Shade to Underserved Neighborhoods
A new USC study finds that relaxing Los Angeles’ outdated tree planting guidelines could significantly expand urban tree canopy and reduce shade disparities in lower-income neighborhoods, though infrastructure investments are also needed.

California's Canal Solar Projects Aim to Conserve Resources and Expand Clean Energy
California’s Project Nexus has begun generating electricity from solar panels installed over irrigation canals, with researchers and state agencies exploring statewide expansion to conserve water and boost clean energy production.

HHS Staff Cuts Gut Energy Assistance Program
The full staff of a federal program that distributes heating and cooling assistance for low-income families was laid off, jeopardizing the program’s operations.
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