Bats Attract for Water Conservation Message

Published October 18, 2009

By Mae Lee Sun
TNAZ Regional Correspondent

Participants in an earthworks workshop led by Emily Brott, of the Sonoran Institute, used ancient technologies to build a basin for rainwater capture at the Ward One Tucson City Council office.
Credit: Sonoran Institute

The late summer launch at dusk of 40,000 Mexican free-tail bats from under a Campbell Avenue bridge.

Two new water-harvesting ordinances to go into effect in January.

A group of volunteers working with landowners to repair the ecosystem in a 70,000-square-mile region of the Southwest known as Sky Island.

These three are faces of conservation science applied for Tucson’s future.

The Sky Island Alliance, for example, is working to bring water back to natural areas endangered by off-road recreation, development and inadequate agricultural practices, said Melanie Emerson, the group’s executive director.

“We’re primarily working with private landowners of large tracts in the region on simple, implementable methods,” she said. “That most definitely includes technology that has been used for millennia like one rock dams and gabions (sand-filled cages).”

The alliance melds the science of conservation biology with on-the-ground restoration done by volunteers.

Efforts to restore grasses and native vegetation have created natural habitat that attract insects, birds and mid- to larger-sized mammals and predators, which in turn Emerson said, has helped revive populations of endangered species like the Chiricahua leopard frog.

Sweat Tech hasn’t changed much since the Hohokam, but tools look different, certainly.
Credit: Sonoran Institute

Emerson said her group “connects the dots” between conservation planning and conservation action.

The City of Tucson is using the law to put conservation into action.

In January, 50 percent of the water used for landscaping commercial buildings must come from water harvesting. Currently, 40 percent of Tucson’s drinking water is being used on landscaping. Emily Brott, project manager for the Sun Corridor Legacy Program of the Sonoran Institute, described water harvesting in Tucson as a process based on the ancient engineering of the Hokoham and Anasazis, who used systems of dams, canals and terracing to ensure their crops had enough water.

“The first line of defense, if you will, is the application of earthworks,” she said. “That means going back to building berms and basins that use gravity to direct the rain where you want it to go.”

She pointed out that this methodology is cheaper than using more costly gutters and cisterns to gather water off roofs.

“If you do your calculations right, you can gather enough … to use only water harvested from monsoon season and rain to water landscaping that consists primarily of native plants,” Brott said.

Instead of watching water run through the streets — which have essentially functioned as gutters — the city is implementing curb cuts to ease flooding and accommodate landscaping in medians and sidewalk areas. As water gets redirected, it eases the buildup of oil, trash and grim that ends up in washes and overloads the ecosystem.

Additionally a second new ordinance calls on all new residential construction to have a gray water stub-out. “Your washing machine, for example, has to be plumbed to bring the water outside, if the homeowner chooses to do so,” Brott said.

Last month, the dusk launch of 40,000 free-tail bats attracted hundreds in Tucson to the banks of the Rillito River. Hosted by the Rillito River Project, water conservation and diversity were the themes, and large, white balloons helped to depict changing water levels.
Credit: Mae Lee Sun

Gray water is wastewater that can be used for irrigation of gardens and other landscaping.

Now, about those bats.

The Rillito River Project, an arts organization, has had at least four presentations to increase awareness of the vanishing rivers of the Southwest, and this September used the summer flight of the bats to draw attention to the region’s water issues.

Before the 40,000 bats took off from under the bridge that spans the Rillito for their nightly feeding of mosquitoes and other insects, local actor Sean Dupont spoke to the crowd gathered in the dry riverbed of the river’s history, offering a sort of water timeline.

“1775, when the Spanish Presidio was established in downtown Tucson, the Rillito River flowed four feet deep,” Dupont said. “There was water in the river where Saint Xavier Mission stands. “

The water table has risen and fallen during the past several hundred years, starting with how the Hohokam harvested water to grow beans, corn and squash, cholla buds and mesquite beans, Dupont said.

With the increase in Anglo settlers and agricultural development, he said, Tucson established a municipal water system in the 1900s — initially through tapping a spring and directing it through gravity feeds that eventually required pump technology to supply volume.

By the 1950s, the water table sunk from 20 feet underground to 75 feet underground.

For more information:
Sonoran Institute (520) 290-0828 www.sonoraninstitute.org
Sky Island Alliance (520) 624-7080 www.skyislandalliance.org
Rillito River Project (520) 955-3429 www.rillitoriverproject.org

Green Valley is getting even greener for retirees at La Posada

By Mae Lee Sun, Inside Tucson Business
Published on Friday, July 03, 2009

The sun, the warm weather, golf and the arts are what typically attract retirees to Southern Arizona. For those choosing to live at La Posada in Green Valley, there’s a new consideration: green living.

“The average age of our residents is in the mid-80s. They are a very politically active and environmentally conscious population,” says Tim Carmichael, director of marketing for the nonprofit continuing care retirement community for people ages 62 and up. “Most of the changes we’ve been making at La Posada have come about through our residents suggestions who are concerned about water and energy usage. So we’ve taken that on and have hired Pepper Viner Homes as the developer for the planned Park Centre Homes neighborhood which we hope to break ground on by the end of 2009.”

None of the 35 homes to be built will be owned by residents. Instead they’ll pay an “entrance fee” that on average will be about $450,000 — 70 percent of which gets returned when the resident leaves. The fee, along with additional monthly maintenance costs also provides for of having medical staff nearby.

La Posada’s 35 homes won’t be for sale, residents will instead pay a partially refundable “entrance fee.” Advertisement

As for being green, all of the homes will be energey efficient and built with low-VOC (volatile organic compounds) in the cabinetry, paints and flooring. (VOC are carbon-based chemicals that evaporate at room temperature and can be harmful, especially from sustained exposure.)

Read more…link goes to Inside Tucson Business

Obama’s Energy Plan: Do emerging technologies and a green economy mix?

Tucson Green Times   -  Issue March 15- April 15, 2009

Published  March 23, 2009

By Mae Lee Sun

Yes he did and I was there.  In that human sea of two million on a sunny, 20 degree day in D.C. to testify to the fact that indeed, a small group of thoughtful, committed citizens, neighborhood to neighborhood and email to email, can in fact change the world.

Although awe inspiring in it’s historic ramifications, as tiny American flags were waived in the air and babies of all colors were held to the sky in homage to a brighter, more culturally, racially and economically diverse future, and while I cried, my friends cried and the whole darn mass around us cried, the Inauguration of the first black president went far beyond a kumbaya moment.  That would trivialize the power of the people who, one by one, felt they had voted for change, hope and what is in the best interest of humanity over self-interest, fear and planetary destruction.

Photo by Carrie Abels

So now that it seems we’ve picked the right person for the job, who and what is responsible for translating our voted for hopes and values into action? Action that will bring forth the dream of a sustainable future and green economy?  And how long is this plan going to take?  After all, our new president is just one guy, albeit a truly exceptional one.  But he has neither the time nor ability to clone himself into a mass of thousands to execute the task at hand- putting one million hybrid cars on the road that get 150 miles per gallon on the road by 2015; to implement cap-and-trade to reduce greenhouse gas emissions 80 percent by 2050; to create five million new (green) jobs by investing 150 billion over the next 10 years into private business to build clean energy; and the list of initiatives he’s committed to goes on.
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The blossoming of Menlo Park’s Linda Avenue

Downtown Tucsonan

Published May 2007

by Mae Lee Sun

ust west of I-10, sandwiched between Congress Street, St. Mary’s Road, and Silverbell Road, sits Menlo Park—one of Tucson’s oldest neighborhoods. Mac Hudson, president of the Menlo Park Neighborhood Association (MPNA) has family who’s lived there for years, although not as long as some residents whose family history in Menlo Park spans multiple generations. Most have gone about their business, working close to Downtown, where access to services like shopping and banking were convenient. When many of those businesses closed in the 70s and 80s, including El Banco, the white building that sat on the corner of Linda Avenue and Congress Street, some residents moved out, leaving older adobe and brick bungalows and former agricultural land to fall into disrepair or be abandoned.

In 2003 however, Hudson, along with a few friends and neighbors, poked around the scrubby, vacant lots, scattered with mesquites and thought these structures could somehow regain their use. One idea they had was to transform a crumbling 1905-era double-brick home with a detached coach house at 17 North Linda Avenue into a community center and public garden. After the house was purchased by Pima County in the 1980s, it served as a residence for county employees, including Ward 1’s present City Council Member, Jose Ibarra.

Hudson says, “Myself, along with other Menlo Park residents and neighborhood association members, formed the Linda Avenue (LA) Subcommittee to talk about what we wanted to see happen with the house and the land. We knew from the beginning, having spoken with past neighborhood leaders who had saved the place from destruction in the 90s that we wanted to honor the architecture and cultural traditions of the past. But we also wanted to be forward-thinking by making Linda Avenue sustainable beyond that, creating a space the neighborhood could use and learn from.”

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