Alex, a teacher in the Bay Area, says conditions in her school have been particularly bad this year; many buildings in the region are not designed for high heat, thanks to the historically temperate climate. Her classroom doesn’t have openable windows, so she uses a fan to try to suck air in from the cooler hallway, but it’s not enough.

“Students will ask to go to the bathroom more often just to get into the hallway where it’s cooler,” she told TalkPoverty. She said the heat makes students feel sluggish and unfocused, a problem particularly acute for young women in her class who struggle with body image, and stay tightly wrapped up even in high temperatures. “I also notice that I tend to run out of energy a lot faster on hot days.”

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Not ideal for a high school teacher trying to keep order in a classroom of 16-year-olds, even one who loves her job and is passionate about education.

This is a problem that’s only going to get worse due to the confluence of rising temperatures thanks to climate change — average temperatures in the U.S. could increase by as much as 12 degrees Fahrenheit by 2100 and have already risen several degrees since 1900 — and declining school funding. Schools that don’t overheat today are going to in the future.

Education budgets were cut deeply during the Great Recession and some states haven’t returned to their pre-Recession funding levels; capital spending across the country hasn’t recovered to pre-recession levels either. As a result, schools that urgently need temperature control updates along with other infrastructure improvements face an uphill struggle to increase their budgets.

Overheated classrooms aren’t just uncomfortable. They can actively inhibit health and learning. There’s a large body of evidence showing that air conditioning can improve student health and academic performance, and research as far back as 1984 on the effects of learning in a hot classroom.

A May 2018 paper found that a temperature increase of just one degree can reduce the amount learned over the course of the school year by 1 percent. The researchers estimate that around 30 percent of schools in the U.S. lack air conditioning, and that even within hot areas with widespread air conditioning penetration, kids in low-income schools are less likely to have access to have cooling at school.

They also argue systemic inequality can exacerbate this phenomenon among low-income students of color, who live in hotter regions and are more likely to attend schools without adequate temperature control.

Jisung Park, one of the researchers, said that, “What we’re finding is totally consistent with the last mile of the school desegregation movement not having been completed … the neighborhood-level disparities driven by residential wealth still very much hold true.”

Park, an environmental economist, is swift to note that simply installing air conditioning — itself a known contributor to climate change — is not the solution. Greening electric infrastructure, taxing carbon, and taking other measures to tackle climate change is key, he said.

So is investing in school infrastructure, including new buildings; maintenance to bring schools up to new standards; and retrofitting to help schools adapt, inside and out, to climate change. That must include rich and poor districts alike, or the inequalities they observe will perpetuate themselves.

An Oklahoma educator who works in a school with a high percentage of low-income black students sees the consequences of being housed in outdated school buildings without adequate resources firsthand. Her classroom can get up to 80 degrees, and it takes a noticeable toll on her students. “I’m trying,” overheated students will tell her. “I’m tired, it’s too hot in here.”

Her school actually has a climate control system, complete with thermostats in every classroom. But it is not well-maintained. It can take hours for the district to respond when teachers put in a request for help.

For one of her colleagues across the hall, that means suffocating in heat as high as 90 degrees until her class is relocated to a comparatively cooler spot. But, she says, in the state with some of the worst education funding in the country, there are so many things going wrong that overheated classrooms aren’t at the top of her list.

This isn’t just a problem indoors. It’s also an issue in the schoolyard. Schools serving low-income students tend to have less greenery, and that’s not just an aesthetic problem. Trees, shrubs, and other plants can help to control temperatures, including indoors, when they’re planted strategically to provide shade to a building’s hot spots.

The lack of shade also increases exposure to harmful UV radiation on the playground, setting kids up for future health inequalities. From the moment they walk into school for the first time, some students are set up for failure, with Park noting that access to greenery can improve temperature control, but also offer mental and physical health benefits.

Oklahoma is not the only state struggling with school infrastructure, from campus trees to sound roofs. Across the United States, kids are attending classes in outdated, poorly-maintained, inadequate, and sometimes unsafe buildings. Schools across the country are struggling with lead contamination. Environmental Protection Agency regulations govern schools that maintain their own water supplies, but not those using municipal water that may get contaminated on its way to the tap. Kids are overheating, and they can’t even drink the school’s water.

It will cost $200 billion nationwide to bring America’s schools into good condition.  But schools, especially low-income ones, face a funding crisis. They rely on property tax revenues alongside some state funding to fund capital improvements, pay teachers and staff, and cover the numerous other expenses associated with running a school. Wealthy districts have a larger tax base and more access to loans and bond issues, and consequently spend more; their students are more likely to attend class in appropriately-cooled classrooms, to drink from lead-free taps, and to have access to well-maintained amenities.

“Targeting school facility upgrades should be part of a long-overdue federal infrastructure bill,” said Park, “or an education reform package.” Modernizing, and installing, HVAC systems is not a trivial task. Failure to make these investments, however, will keep low-income children in the U.S. at a permanent, sweaty, disadvantage.

Editors’ note: By request, the teachers in this article have been anonymized.

When it comes to hazardous working conditions on American farms, many people think of pesticide exposure; as early as the 1960s, farmworkers were ringing alarm bells about it. But heat stress has actually surpassed pesticides — which cause cumulative harm over time — as the most immediate lethal danger in the fields, according to Dr. Marc Schenker, distinguished professor of public health sciences and medicine at University of California Davis. “We don’t see acute deaths from pesticide poisoning anymore,” says Schenker (though pesticides are still recognized as a significant danger with severe health risks for people exposed to them).

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An estimated 2.5 million farmworkers across the United States endure dangerously hot conditions on the job. As the heat climbs, workers can start to develop symptoms of heat stress including dizziness, nausea, fainting, vomiting, fatigue, poor coordination, and seizures. As their organs, especially their kidneys, start to break down, they can fall into a coma and die if not treated. Between 1992 and 2006, 68 farmworker deaths attributed to heat exposure were reported. Limited access to more current data makes it challenging to uncover the depth of the problem, though advocates claim deaths are likely underreported.

Outdoor temperatures aren’t the only issue. Personal protective equipment, ranging from suffocating Tyvek suits worn for pesticide application to thick trousers and heavy boots for working around thorny plants, can add to farmworkers’ misery.

“In workers, the major producer of body heat is metabolic workload,” explained Schenker. “If you’re working in outdoor conditions, you’re generating the majority of body heat from metabolism. The simple prevention is to reduce workload.” The piecework rate of payment for farmworkers, in which people are paid by the pound rather than by the hour, is a recipe for working as hard and as fast as possible. The system is great for employers, but bad for workers.

Access to drinking water, shade, and rest can help workers manage their body temperatures in high heat conditions. But just two states, California and Washington, have laws that require sufficient shade structures and drinkable water be nearby to meet the needs of the work crew. The Coalition of Immokalee Workers’ Fair Food Program, in which companies like McDonald’s and Trader Joe’s pay a premium for more ethically-sourced tomatoes, also requires access to shade, drinking water, rest breaks, and hygiene facilities as part of its code of conduct.  But even those requirements aren’t always enough.

In 2008, a 17-year-old pregnant farm worker died of heat-related illness because the drinking water was too far away, despite the fact that California’s heat protection law dated to 2005. Outcry led to enhanced safety regulations and better enforcement, but despite a dedicated heat violation hotline, improved data collection, and a push for better internal auditing to ensure complaints are investigated in a timely fashion, the problem persists.

Even if they have access to preventative care in the field, workers face another heat-related challenge when they go home: Farmworker housing may consist of crude shacks operated by farmers or contracting companies, or hot trailers with no air conditioning. Leydy Rengel of the United Farm Workers Foundation recalls the extreme heat of the Coachella Valley beating down on the trailer she shared with her parents, both farmworkers, as a child: “My parents would come home after 10-hour shifts, and didn’t have a place to cool down.” This can be dangerous, said Schenker: “Nighttime cooling is an important factor in preventing heat stress illness.”

While the short-term implications of heat-related illnesses are well understood, not as much is known about what they mean for people in the long term. Schenker is researching this subject, with a particular interest in what happens if workers experience repeated incidents of acute kidney injury, a potential complication of heat stress. This is especially vital since climate change is making conditions for farmworkers even worse.

California’s most recent climate assessment warned that if greenhouse gas emissions continue at their current rate, the state’s average daily high temperature could be as much as 8.8 degrees Fahrenheit higher from 2070-2100 than it is today. Over that same period, the annual number of extreme heat days (over 103.9 degrees) could rise from four to twenty-four. The amount of land scorched in wildfires will increase 77 percent.

In California, the law protecting workers from the effects of high temperatures is clear, but enforcement has been erratic. The UFW Foundation was one of the entities that pushed the state to issue more clarity and direction to keep farms — and the contract companies that supply a large number of farmworkers — accountable. Schenker, who has spent years researching farmworkers, said “California really does lead the nation,” but what that can look like from farm to farm is highly variable.

During the recent high heat event, the UFW Foundation ran an awareness campaign encouraging people to report unsafe conditions and setting up tables at locations farmworkers frequent to educate them about their rights. Rangel said even with the promise of anonymity, workers were reluctant to report. “They’re rather just be quiet,” she said, especially when they’re undocumented. And when state officials may take days to respond, complaints don’t always lead to enforcement.

Outside California and Washington, the picture can be grim for farmworkers in high heat conditions. They have some protections under the Occupational Safety and Health Administration, but for farmworkers, especially undocumented people in isolated areas, knowledge of the law and the ability to ask for enforcement can be limited.

“Last year, there was a 24-year-old farmworker, an H2-A guest worker in Georgia, who had only been in the country for less than 10 days, and he suffered heat illness. Nobody paid attention, his employers were not informed of how to handle this. They thought he was just being lazy,” said Rangel. It wasn’t the first time an ill worker had died in similar circumstances.

As consumers grow more aware of concerns around farmworker health and safety — calling, for example, for restrictions on pesticide use and listening to farmworkers speak out about sexual abuse in the field — heat illness should be a more prominent topic of conversation. Just as hotter days and longer summers will affect the quality of crops, they’ll affect the quality of life for the people who cultivate and harvest them.

The federal government has long attempted to sever tribes from the land — their source of knowledge, culture, and health. Through war and forced relocation, tribes were physically removed. Policies such as the 1887 General Allotment Act forced many to adopt sedentary lifestyles and use Western agricultural techniques. And contemporary legal restrictions on centuries old fishing, hunting, and gathering techniques means that tribes are still limited in how they can gather foods and medicines.

Food sovereignty — efforts to re-create local, sustainable, and traditional food systems that prioritize community need over profits — has been one of the major ways tribal communities are combating disparities driven by colonial policies. Food sovereignty looks different in every tribe, as it is based on community need and tribal tradition, and it isn’t just about food. Swinomish efforts have focused on the impacts of climate change, which is already threatening their community health.

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History led many reservations to become food insecure, and federal support is limited. Hundreds of tribes utilize the Federal Distribution Program on Indian Reservations — which since 1973 has distributed bulk food items to rural Native Americans who don’t have access to Supplemental Nutrition Assistance Program-eligible stores — but the food often doesn’t meet basic dietary standards and sometimes arrives spoiled.

Loss of land and traditional foods has caused myriad health problems in tribal communities. Native Americans have the highest rates of diabetes of any racial group, as well as disproportionately higher rates of cancer, heart disease, and stroke. Mental wellbeing has also been impacted: Some scholars argue that colonial violence like displacement and spiritual disconnection from the land has led to cross-generational trauma and unresolved grief for Native individuals and communities.

Climate change is making this worse.

Historically, the Swinomish harvesting calendar revolved around 13 moons. The calendar corresponds to seasonal shifts throughout the year, with each moon bringing a new set of ceremonies and foods to be collected and processed. The first moon of spring, moon when the frog talks, is when herring and smelt are harvested and sitka spruce, red cedar, and Oregon grape roots are collected. In the moon of the sacred time, during the end of December and January, cultural traditions are passed from elders to younger community members.

The seasonal changes associated with each moon are becoming less predictable with climate change. Extreme heat waves in the normally moderate climate stress plants and may stunt root development. Less predictable or extreme tides (whether too high or too low) hamper clam digging and other shorefront gathering.

Public health leaders, including the Centers for Disease Control and Prevention and the World Health Organization, recognize that climate change has direct impacts on human health. These impacts may be even more acute for the Washington tribe: the reservation is 90 percent surrounded by water, and salmon, crab, and clam are major sources of food. The sea is of intimate importance.

Yet Western measurements of health and climate impact do not take cultural history, interdependence, and connection to the land and non-human world into consideration, often focusing exclusively on individual, physiological health impacts. For example, a toxicologist may look at pollutants in seafood and advise the Swinomish to eat less. Yet when taking into consideration food security, ceremonial use, and transmission of traditional knowledge, the removal of seafood would be detrimental to Swinomish conceptions of health; climate change is threatening the tribe’s autonomy.

To address this disconnect, in 2003, Dr. Jamie Donatuto, the environmental health analyst for the tribe, set out with elder Larry Campbell to develop indigenous health indicators, which they hoped would bring a more holistic and culturally relevant lens to public health policy, climate change predictions, environmental risk assessment, and the tribe’s food sovereignty work. After interviewing more than 100 community members, they determined the Swinomish health indicators to be: self-determination (healing and restoration, development and trust); cultural use (respect and stewardship, sense of place); natural resource security (quality, access, safety); resilience (self-esteem, identity, sustainability); education (teachings, elders, youth); and community connection (work, sharing, relations).

One of the first challenges they wanted to tackle using these indicators was climate change impacts. After gathering data on predicted storm surge, sea-level rise, sediment movement and more, they led a series of workshops with elders, youth, clam diggers, and fishers, to gauge which beaches they should focus their limited resources on. They identified several that were both culturally significant to the tribe and at high risk for climate impacts, and focused their workshops on traditional foods to contextualize these problems.

“It’s not about outreach, it’s not unidirectional. It’s about really engaging them,” Donatuto reflected. Now, based on community input, the tribe is developing clam gardens that are more resilient to climate impacts such as sea level rise, storm surge, and possibly ocean acidification. Clam gardens are a traditional way of managing a beach ecosystem to create optimal habitat for clams while ensuring food security for the tribe. Dr. Donatuto’s team also shared community feedback with the Swinomish Senate, who valued their priorities equally to scientific data when constructing the tribe’s climate change adaptation plan.

Beyond policy changes to address climate change impacts, elders were also concerned about a generational disconnect in traditional ecological knowledge. Using the 13 moons as a guide, in 2015 the tribe developed an informal curriculum to educate youth on the lunar calendar and traditional foods. Though it has attracted interest from local schools, Donatuto stressed that it is a land-based, community-led curriculum. The tribe hosts dinners and other events in which elders and educators lead community members outside to learn, for example, tree identification, how to collect tree resin, and how to process it. Participants not only learn about traditional foods, but learn it through traditional methods of knowledge transmission.

Swinomish food sovereignty and climate change adaptation efforts are reflective of national movements in Indigenous reclamation and resistance. Tribes recognize that in many cases, disparities that face Native communities are borne from and exacerbated by systemic colonial and racial violence, including the devaluation of Indigenous knowledge. So how could the same system that produced these disparities be a source of the solution?

Resistance and reclamation take many forms. The White Earth Band of Ojibwe recently recognized the “personhood” rights of wild rice in an effort to thwart oil pipeline construction through their habitat. Some tribal courts are beginning to draw from traditional gender and familial beliefs instead of U.S. federal law in domestic violence, divorce, and custody cases. And studies have found that Native students in schools that teach entirely in tribal languages are often higher performing than their counterparts that attend English-only schools, including on English language standardized tests.

As these and Swinomish efforts reflect: Revitalization of Indigenous knowledge, politics, and land relations is not just about remembering traditions, but solving urgent contemporary issues.

While many see natural disasters as “social equalizers” that do not differentiate based on race or class, the reality is that these events exacerbate the underlying socioeconomic problems that exist year round. As a result, low-income people are often hit harder by extreme weather events due to poor quality housing in neighborhoods lacking services; living in close proximity to environmental hazards; and economic insecurity. Over the past few years, the City of Baltimore has emerged as a leader in addressing these vulnerabilities and engaging these very communities to improve their resilience.

Baltimore is highly vulnerable to many natural hazards, ranging from coastal storms and flooding to extreme heat and high winds. Given the fact that the city’s poverty rate is 25.2 percent—10 percentage points higher than the national average—the city must address the concerns unique to this vulnerable population. For instance, the Housing Authority of Baltimore City serves nearly 20,000 public housing residents, including seniors, low-income households, working class and other vulnerable people. Due to the location of their original construction, many public housing buildings are vulnerable to natural hazards and require resiliency upgrades.

In 2013, the City of Baltimore created the Disaster Preparedness and Planning Project, an effort to address existing hazards while also preparing for extreme weather events predicted to occur due to climate change. This effort has a particular focus on low-income residents and began by speaking with them to about their concerns. The City’s Office of Sustainability is also in the process of creating a plan that will include neighborhood, resident and business “ambassadors” to assist in educating members of the community on how to prepare and respond to extreme weather. This process not only helps the city recognize the vulnerabilities people are facing, but also develops a level of social cohesion that can save lives.

A poll conducted last year by the Associated Press-NORC Center for Public Affairs Research confirmed that neighborhoods that lacked social cohesion and trust generally had a more difficult time recovering from a disaster or extreme event. A prime example is Chicago’s heat wave of 1995, when 739 people died in mostly low-income African American neighborhoods.

One Chicago neighborhood, called Auburn Gresham—with the same racial and income demographics as other low-income African American neighborhoods—fared better than even the more affluent neighborhoods in the city. It turns out that residents of Auburn Gresham participated in block clubs and church groups, in addition to socializing at grocery stores and diners, which many other neighborhoods lacked. During the heat wave, the block clubs checked in on elderly and sick neighbors to ensure their safety—the neighborhood banded together. Baltimore is heeding the lessons from this sort of research and helping to foster these kinds of strong relationships in economically struggling communities.

Earlier this year, Baltimore’s Commission on Sustainability—comprised of public, private, and nonprofit leaders—held its Annual Sustainability Town Hall with this theme: “Make a plan. Build a kit. Help each other.” The event was held in East Baltimore—an area historically plagued with violence, high infant mortality rates, and a much higher poverty rate than the city’s average. Free transportation was provided from other low-income neighborhoods to maximize attendance.

Hundreds of people turned out.  Upon arrival, community members were asked to fill out a family emergency plan. Attendees then visited various stations to learn how city partners are helping Baltimore prepare for disasters, and were given free items for emergency preparedness kits, including flashlights and batteries, crank-powered radios, fans, face masks, can openers, and signs to place in their windows during disasters indicating whether they are “Safe” or need “Help.” The response was so positive that neighborhood groups have requested that the City repeat this event for their residents. In addition, the City plans to engage the most motivated residents to serve on Community Emergency Response Teams, which educate community members about disaster preparedness and response efforts.

According to Cindy Parker of the Commission, knowing your neighbors and recognizing their needs and abilities—such as where elderly households are or who knows CPR—is critical.

“Hopefully the activity of sort of thinking this through will help [residents] make a mental note,” she told the Baltimore Sun. “Communities who don’t work together don’t fare well.”

While this kind of preparation can make a difference for any community, it is particularly important for low-income people who have fewer alternatives, such as savings to fall back on or cars they can rely on during evacuations.

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Last month, President Barack Obama announced a series of actions to help state, local, and tribal officials prepare their communities for the effects of climate change. These actions range from helping communities develop more resilient infrastructure to fortifying our coasts.

While these steps are laudable, more action is needed to address the skyrocketing risks of climate change in low-income communities. In a recent report to the State, Local, and Tribal Leaders Task Force on Climate Preparedness and Resilience, my colleague Cathleen Kelly and I offered a number of recommendations to do just that, including bolstering the Low Income Housing Tax Credit following disasters as well as the Low Income Energy Assistance Program in anticipation of extreme cold and heat. We also recommend that policymakers foster the kind of social cohesion that Baltimore is creating by supporting programs that build relationships between community leaders and public- and affordable-housing residents; improving disaster-relief plans for affordable-housing developments; and providing technical assistance to community-based organizations to increase their ability to respond to extreme weather events.

Social cohesion plays a significant role in our everyday lives and serves as the first line of defense during disasters.  It can mean the difference between survival and tragedy. We need to work with low-income communities to prevent the next climate-related tragedy from occurring.