As Gov. Doug Ducey celebrates a significant decrease in COVID-19 cases across the state, the Pima County Health Department has interpreted the data more conservatively and is cautioning local school districts against bringing students back to campus.
According to the county's nine metrics based on local public health data, the current COVID-19 situation is too dangerous for schools to reopen for in-person classroom instruction.
Pima County Administrator Chuck Huckelberry said that when progress is made in all nine metrics, schools should be allowed to operate in a hybrid fashion with some in-person instruction combined with online learning, according to his Aug. 17 memo to the Board of Supervisors.
“The key concern for students, parents, teachers, administrators and all support personnel is when it is safe for schools to begin to transition and ultimately return to face-to-face classroom instruction,” Huckelberry wrote. “The scientifically based criteria offered by the State of Arizona and Pima County have been aligned to avoid any possible contradiction or confusion.”
The metrics include a variety of data concerning disease spread, healthcare capacity and public health capacity. As of Aug. 10, some had reached the “progress” state, but none have been fully met:
1. The county health department wants to see “decreasing cases over two consecutive weeks.” The number of new cases this week is currently lower than the number of cases last week, so the department designated progress made in this metric.
2. The health department wants to see “decreasing deaths over 14 days.” This data is delayed by four weeks, so as of Aug. 9 the data from June 21 through July 4 showed the death rate at a plateau. The department designated that this metric was not met.
3. The health department wants to see less than two new hospitalizations per 100,000 residents across a three-day average. As of Aug. 9, this metric was not met.
4. The health department wants to see a “sustained number of completed tests for 14 days.” Currently, the number of new tests being completed is beginning to increase after a seven-day period, so the department designated progress made in this metric.
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A team of University of Arizona scientists is developing a solar-powered desalination system that uses less energy and could provide more water for arid regions like Arizona. Funded by a $500,000 grant from the Department of Energy, the system recovers water from the “concentrated waste streams” formed from other types of desalination like reverse osmosis. When reverse osmosis occurs, 20 to 50 percent of the water that enters the system remains as a concentrated waste stream. This new solar-powered desalination system also uses photovoltaics and membrane distillation to capture water as efficiently as possible.
"The benefit of using both CSP (concentrated solar power) and PV (photovoltaics) is that we can double the energy efficiency compared to existing thermal desalination systems that just use PV or CSP," said Kerri Hickenbottom, assistant professor of chemical and environmental engineering and principal investigator for the project. "This off-grid system will use renewable energy resources to transform the way we manage high-salinity concentrate typically considered as waste streams."
The team is conducting their research at the UA Optical Sciences Center’s solar testbed. The system employs membrane distillation, which creates a temperature gradient to separate contaminants. The photovoltaics, which is the technology used in solar panels, convert the sun's light directly into electricity using semiconductor material. This means the system can serve off-grid areas, such as Native American reservations.
"You lose efficiency when you go from one form of energy to another, so using the solar energy to generate electricity and to heat the water directly is how we plan to be about twice as efficient as existing systems," Hickenbottom said.
The researchers have submitted their technology for the American-Made Challenges Solar Desalination Prize, sponsored by the U.S. Department of Energy. The four-phase competition, which offers more than $9 million in prizes, is designed to advance the development of solar-driven thermal desalination technologies. As part of the challenge, the team created a 90-second video about the project.
The City of Tucson has allocated $4.5 million of federal CARES Act funding for an emergency rent and utility assistance program available to city residents.
To be eligible for the financial assistance, participating renters must have been financially impacted by the COVID-19 pandemic and the household income cannot exceed $68,400.
One application will be accepted per household, and each household can receive up to $2,500 to cover up to three months of late or upcoming rent or utility payments that were incurred after March 1, 2020.
All applicants will need to provide copies of their identification, bills, proof of income and other household information. The city’s Housing and Community Development department is partnering with several nonprofit organizations to administer these funds, including Primavera, Interfaith Community Services, Catholic Community Services and the International Rescue Committee.
Representatives from one of these agencies will contact applicants within five days for a phone interview and may ask for additional information. The funds will be sent directly to each applicants’ landlord and/or utility company.
“Keeping Tucsonans safe and healthy in their homes is the most important thing as many of our residents have been greatly impacted financially by this pandemic,” said Housing and Community Development Director Liz Morales in a press release.
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