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Solar photovoltaic panels generate electricity at an Exelon solar power facility on September 1, 2010, in Chicago.

“The equation is complex,” said Alyssa Edwards, vice president of environmental affairs at solar producer Lightsource BP, about the company’s impact on local habitats. Lightsource advertises itself as protecting ecosystems and boosting biodiversity. “Pollinator habitat, considerations of seed availability, vegetation height, insurance requirements, fire risk, and cost all come into play. Not to mention that pollinator habitat may not be the right choice for all sites, as other initiatives may be more valuable contributions to sustainability.” The company, a joint venture with the oil and gas giant BP, says it’s working on various solar projects that incorporate pollinator habitat, conservation of short-grass prairie land, and even animal grazing.

Wildlife corridors are another way solar installations could help support biodiversity. But for large sites to become a part of corridors, they may require substantial adjustments to fencing and other built infrastructure (and even then, they’d probably pose barriers to some larger species).

As more sites incorporate biodiversity as a benchmark, the devil is in the details. Tanner and others have found that solar panels can actually increase the number of plant species that grow beneath them, especially in harsh environments like the desert. However, some of these additional species are invasive or threaten to outcompete the smaller, rarer native ones that could tolerate such extreme desert conditions.

These kinds of wrinkles make it all the more important that scientists and operators actually measure their impact on ecosystems — that they’re “pausing for a moment and considering what sort of species we are considering that are making up the diversity,” Tanner said.

Build solar on lands that humans have already messed with, one expert says

Solar operators tend to look for new sites based on sun and climate conditions, but also proximity to the existing power grid — and a utility company in the market for their energy. Scientists told Vox that firms should also look for places that humans have disturbed, because the local ecosystem may have less to lose.

Lovich suggests siting more solar farms on “brown fields, roof tops, abandoned agricultural fields, dry lakes, and even airports — where wildlife are unwanted.” They’re also well-suited for canals and human-made reservoirs, where they’re sometimes called “floatovoltaics,” not least because they can slow water loss by evaporation. These less-conventional arrangements may have higher up-front costs, but the eventual environmental costs will be lower.

Ivanpah 
Solar Project, California Desert Joe Sohm/Visions of America/Universal Images Group via Getty Images
A solar thermal tower at Ivanpah Solar Project Bechtel in the Mojave Desert.
A Desert
 Tortoise With Radio Transmitters Irfan Khan/Los Angeles Times/Getty Images
A desert tortoise with radio transmitters installed on his back, in Joshua Tree National Park, California, May 2017.

Building on an ecologically sensitive site can also be costly. Take for example BrightSource Energy, which spent at least $56 million relocating threatened desert tortoises from its Ivanpah solar development site in the Mojave Desert. Although these efforts allowed the project to go through, scientists are still learning about the consequences. An early study found that the relocated tortoises needed more time and effort to settle into normal movement patterns, potentially exposing them to additional threats. But as Lovich pointed out, “since tortoises are long-lived, results for the long term are not yet available.”

Such experiences have not deterred other desert sun-seeking operations. “Solar farms are operating or planned in excellent tortoise habitat affecting hundreds to thousands of tortoises,” Lovich said. Simply moving the tortoises — pricey as it may be — is not a sure cure. “Translocation has a checkered history of success,” he said.

Lovich is currently studying the impact of the Gemini Solar Project in Nevada, which would cover 11 square miles of publicly owned tortoise habitat and is home to hundreds of these long-lived, vanishing animals. For this project, the plan is to capture the animals, place them in a holding center for up to two years during construction, and then release them into the facility grounds “to see how they fare,” Lovich said.

“All energy sources will come with a cost to some wildlife,” Lovich and his colleagues noted in a 2020 paper. “The best mitigation strategy is to avoid developing sensitive and pristine areas.”

Other landscapes would not only tolerate solar farms, but could benefit from them. For example, a pollinator-friendly solar installation could add yield for farmers whose soy, citrus, almonds, cotton, or alfalfa needs some pollination help. More than 500 solar facilities already exist within easy buzzing-distance — less than a mile — from these crops in California, Massachusetts, and North Carolina, respectively, according to a 2018 study by Walston, Hartmann, and their colleagues. Nationally, more than 1,350 square miles of cropland would benefit if existing solar installations added pollinator-friendly plants, they concluded.

As solar has moved into lands that could otherwise be farmed, it has caused some tension with local residents. But solar farms and actual farms don’t necessarily need to be in opposition. It’s possible to co- locate solar and crops into “agrivoltaic systems,” which can feature grazing grass, corn grown for biogas, and even lettuce and tomatoes that may flourish under solar panels. Other crops could even be grown under semi-transparent solar panels.

Solar can protect plants and animals while it helps the planet

Redesigning solar developments — and steering them to the places where they won’t cause harm — isn’t easy. Maximizing energy output means finding locations with the right combinations of sun, temperature, wind, and humidity (one study pegged the best spots as croplands, grasslands, and wetlands) and packing solar-harvesting devices as densely as possible. All of these often work at cross-purposes with supporting a diverse range of plant and animal species.

    <img alt=" " src="https://cdn.vox-cdn.com/thumbor/XqNT5X1WKRA9uFQLsXxfbM-
jHwk=/800x0/filters:no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/22787664/566026843.jpg" /> Mark Boster/Los Angeles Times/Getty Images
Bureau of Land Management biologist Larry LaPre and BrightSource biologist George E. Keyes Jr. check on the tortoise population in protective pens at the BrightSource Ivanpah Solar construction site in 2011.

Additionally, permits for these facilities are typically done at a very local level. (President Barack Obama had instructed these sorts of projects on federal lands to have a mitigation strategy — an order that President Donald Trump struck down his second month in office.) So it’s a patchwork of different levels of regulations and approval processes, some of which are more in tune with thoughtful evaluation of sites and long-term impacts. There is “more education that can be done at local government levels,” Hartmann said.

Without more thorough before-and-after research, we may remain in the dark about how these large facilities are changing the landscapes they cover. If site evaluations are performed over a relatively brief period of time — such as a single season in the run-up to the construction of a solar farm — operators could easily miss key aspects of biodiversity, like the Barstow woolly sunflower, which waits for just the right pattern of rare desert rain to emerge.

“We’re just starting to scratch the surface and determine how different organisms are likely to respond” to solar, said Tanner, the UC Santa Cruz researcher. For now, it behooves us to mess with their environment as little as possible, she noted, and to preserve as much as we can. “Especially in a context of climate change, we don’t know what species are going to be able to pass through that aperture in the future.”

As the world barrels toward climate catastrophe, scaling up carbon-neutral energy production as quickly as possible couldn’t be more urgent. “We need all the help we can get, and we need to move quickly,” Tanner said. On a planetary scale, clean electricity can help safeguard all species, and could arguably be worth the trade-off if it harms a few local species in the process.

But maybe there doesn’t need to be a trade-off, Tanner suggested. “I’m not sure it’s an either-or question,” she said.

Kenneth Kane, a 22-year-old former Chipotle employee, put in a year’s worth of work at the company in the hopes of receiving the company’s tuition reimbursement benefit. To qualify, according to Chipotle’s current standards, workers have to be employed for at least four months and put in an average of 15 hours a week before they could apply, and work an additional six months before any reimbursement is cashed out. Kane told Vox he had submitted most of his paperwork, and was initially approved for the benefit. Later on, Kane learned that he didn’t qualify for the reimbursement because he hadn’t worked enough hours.

“I hadn’t worked enough hours in the last however-many weeks when they evaluated my work schedule,” Kane told Vox. “Although you have to work an average of 15 hours a week, which is pretty doable, I wasn’t informed that this average would be determined within a certain period of time.”

For employees attending college in-person, these requirements can be challenging to meet, especially since students’ schedules are subject to extended breaks. “It really isn’t ideal for a regular college student, especially if you’re from out of town,” Kane added. “You have to plan to start work before the semester you qualify for and stay for a certain period after the semester ends.” Plus, when the turnover rate is high, fewer people end up qualifying for the benefits. “It’s food service,” he said. “It’s not a fun place to work, especially when you’re a student.”

The reality of retail and food service work is still bleak. When an employee is hired, they are, first and foremost, expected to work. College benefits are only benefits, after all — something that’s expected to concern workers after hours, not while they’re on shift. Some employees are on the brink of quitting, but stay on the job to reap the college benefits. On public forums like Reddit, student-employees have complained about the struggle to balance work and in-person school, when managers are scheduling them for shifts they haven’t requested, adding in extra hours, or acting exasperated when they request time off for exams and breaks. In one anonymous post on the Walmart subreddit, a part-time employee claimed that they felt pressured by their manager to switch into full-time due to staffing shortages, despite attending college.

It’s uncertain whether the promise of a free college degree will keep workers at a low-paying, labor-intensive job for very long. It boils down to an individual’s circumstance. The concept of debt-free college is theoretically more available to working Americans than ever, but the terms and conditions — of who can access higher education and what type of degree a student can earn — can too often be decided by private corporations.

At a meeting discussing the US strategy in Afghanistan, Biden asked, “Is there any evidence the Afghan Taliban advocates attacks outside of Afghanistan and on the U.S., or if it took over more of Afghanistan it would have more of an outward focus?” An intelligence official responded that there was no evidence.

The fall of Afghanistan’s government wouldn’t be so bad. Woodward describes a phone conversation between the president and vice president near the end of the review, during which Biden said “it would not be that bad if the Karzai government fell.” The book does not elaborate on what exactly Biden meant by this, but Obama disagreed, arguing that “the downside was too great.”

But Biden didn’t argue for full withdrawal back then

Biden diagnosed the problems well, and he was likely the high-level official most skeptical of the Afghanistan war in the Obama administration. But though his logic arguably pointed toward a withdrawal of troops in the near future, he didn’t argue for that — it simply seemed too unpalatable. Officials were not ready to stomach the Taliban retaking the country.

Instead, Biden proposed a smaller surge of 20,000 troops rather than 40,000, with a mission of “counterterrorism” as opposed to counterinsurgency. (Think targeting terrorists rather than nation-building.) The military fired back that that would be insufficient. Obama ended up agreeing to send 30,000 troops and satisfy most of the military’s demands, in part because he did not want to “break with” then-Defense Secretary Robert Gates, Woodward writes.

 Shah Marai/AFP via Getty Images
Then-Vice President Joe Biden visits members of the Afghan National Army at a training center in Kabul on January 11, 2011.

After a few years with the heavily expanded troop presence that, as Biden predicted, did not result in Afghanistan becoming a functioning government or in security forces capable of defeating the Taliban, Obama began a troop drawdown in his second term. Since then, US policy has essentially been to kick the can down the road.

In 2015, then-Vox staffer Max Fisher wrote, “The war is already lost, and has been for years,” adding that the only remaining mission was “to temporarily stave off Afghanistan’s inevitable collapse, a few months at a time.”

Former President Donald Trump continued that can-kicking until 2020, when he reached a deal with the Taliban to end the war. It then fell on Biden to decide whether to stick with that arrangement. He did so — rejecting advice from his generals — and a Taliban takeover has now occurred. But his decision was no doubt grounded in the fact that he’s had these debates before.

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