Thought Seeds

“Don't pray for rain, if you can't take care of what you get.”

-- R.E. Dixon (1937) Superintendent, Texas Agricultural Experiment Station, Spur, Texas

As reported by American Rivers, development and excessive impervious paving in Atlanta, Georgia and surrounding counties contributes to a yearly loss of rainwater infiltration ranging from 57 to 133 billion gallons. If managed on site, this rainwater -- which could support annual household needs of 1.5 to 3.6 million people -- would filter through the soil to recharge aquifers, and increase underground flows to replenish rivers, streams, and lakes.

Winter-Solstice Shadow Ratio Calculator

WSSR Sun-Angle Calculator 130117 Tucson p1

WSSR Sun-Angle Calculator 130117 Tucson p2

Would you be interested in having access to a usable version of this Winter-Solstice Shadow Ratio calculator? Does it seem like it would be a useful design tool? Send us an email with your comments and feedback.

Umbrella Newsletter

THE UMBRELLA:
A catch-all of resources,
events, media, and more
from Brad Lancaster
Spring Equinox 2017
Around here we like to rhyme with the seasons whenever possible. In this case, that means welcoming the fast-approaching beginning of SPRING (the Vernal Equinox (in the northern hemisphere) is March 20 this year in Tucson, and marks one of only two […]

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Rainwater Harvesting for Drylands and Beyond by Brad Lancaster

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