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Climate-Induced Displacement is a Global Phenomenon, but Not Evenly Experienced

As world leaders presented their plans to combat rising global temperatures at the annual United Nations Climate Change Conference (COP 28) in Dubai from Nov. 30-Dec. 13, 2023, discussions are centered on how countries can cut greenhouse gas emissions and mitigate a dire environmental future. But a UC Berkeley researcher says that future is already here for millions of people displaced by the climate crisis. And those climate refugees are predominantly from formerly colonized countries that are not responsible, in large part, for the factors that exacerbate climate change.

Published

2 years ago

January 8, 2024

Oakland Post

In Ethiopia's Ghibe valley, farmers plough a field with cattle. Soil erosion has impacted farming in the country due to the climate crisis. Wikimedia photo.

UC Berkeley policy analyst from the Othering and Belonging Institute shares recommendations to protect people displaced from the climate crisis.

By Ivan Natividad
UC Berkeley News

But a UC Berkeley researcher says that future is already here for millions of people displaced by the climate crisis. And those climate refugees are predominantly from formerly colonized countries that are not responsible, in large part, for the factors that exacerbate climate change.

Those nations — in the global south regions of Africa, Latin America, the Caribbean and much of Asia and Oceania — also lack the wealth and infrastructure to withstand intensifying natural disasters, rising sea levels and the collapse of industries dependent on stable climates, according to a recent Berkeley report.

“There are many examples of how global south countries face the brunt of a crisis they did not produce, due to the activities of countries and industries in the global north,” says report co-author Hossein Ayazi, a senior policy analyst at UC Berkeley’s Othering and Belonging Institute. “So, we want to help protect the most marginalized — climate-induced displaced persons — while targeting the sources of their marginalization.”

That is why the institute’s Global Justice Program recently launched an interactive database that helps both policymakers and impacted communities explore global data on climate-induced displacement. The report also offers strategies to ensure the protection of people displaced by the climate crisis, and climate resilience for them moving forward.

Ayazi said the research shows that sea levels are expected to rise drastically in the coming decades, which will impact nearly 40% of the world’s population that lives in coastal areas. And over 75% of all coastal populations — 90% of the world’s poor rural coastal areas — live in the global south.

Berkeley News spoke with Ayazi about what’s causing climate change displacement and what needs to happen to protect climate refugees and make their communities more resilient.

Berkeley News: Your research unpacks why people in the global south are more vulnerable to being displaced from the impacts of the climate crisis. What are some of the economic dimensions of this vulnerability?

Hossein Ayazi: Many countries in the global south have a relatively large percentage of their gross domestic product (GDP) derived from agriculture, forestry, and fishing — industries that are by nature more vulnerable to a changing climate.

In Ethiopia, for example, agriculture comprises almost 40% of its total GDP. That sector also employs over 80% of its population. So as these countries experience climate extremes — droughts, floods, increased temperatures and so on— their economies are impacted on a deep level.

A defining feature of countries in the global south is that their economies have been organized by, and to the benefit of, the global north — wealthier and powerful nations in North America and Europe. This means agricultural production that’s largely export-oriented, and not diversified, makes these countries especially inflexible and vulnerable to climate impacts.

Berkeley News: What other significant economic or financial factors cause or worsen climate-induced displacement?

Hossein Ayazi: Global south countries have a high external debt burden, with surcharges making things worse. In fact, global south debt payments in 2023 reached their highest level in 25 years.

This high debt burden means a poor sovereign credit rating, and a lack of fiscal space to invest in climate-resilient infrastructure and economies that can adequately respond to disasters. This is true at the individual and household level: When disaster strikes, it’s hard for people to manage when they are struggling financially.

Protecting climate refugees and affording people the right to stay in their communities means addressing such issues.

Berkeley News: While the focus of your data is on the global south, when you talk about climate displacement in this way it seems like it can happen anywhere — even in the United States.

Hossein Ayazi: It certainly can. Consider Hurricane Katrina in 2005. Residential segregation and decades of disinvestment in New Orleans’ levee infrastructure meant that when the storm hit, it would be the city’s poorer Black residents who would be displaced or lose their lives.

In the wildfires in Maui this year, we saw the inequalities in those communities exacerbated. Tourists had the means to reach safety and secure a place to stay, while many Native Hawaiians struggled to flee, save their homes, or recover afterward.

The climate crisis is a global phenomenon, but its impacts are not evenly experienced.

Berkeley News: Your research reveals that industries using extreme amounts of nonrenewable energy sources mostly come from wealthier countries in the global north. How do those industries affect the surrounding communities they inhabit?

Hossein Ayazi: Globally, we have come to be dependent on extractive, exploitative industries that might provide for some, but collectively harm us all, and certainly harm the people in closest proximity to them.

These industries are usually placed in marginalized communities in the global north — and in countries across the global south — and, rife with health and environmental impacts, they become mainstays of the broader economy.

Berkeley News: What is an example of this locally?

Hossein Ayazi: We can look to Richmond, California, and the Chevron oil refinery located there. Nearly 24% of the city’s general fund comes from the refinery, which also provides regional employment.

So, the question is: How do communities and countries become less dependent on these extractive industries that harm them, and us? How are these harms — past and present — addressed?

That’s the point of this work: Protecting peoples most harmed by the climate crisis, targeting the sources of the climate crisis, and building communities and economies that are just, sustainable and resilient against the climate crisis.

Berkeley News: What do world leaders need to do to make this vision a reality?

Hossein Ayazi: World leaders need to recognize the rights of people displaced by the climate crisis and across international borders. They also need to act upon demands for the transformational changes needed to materialize inclusive, just, and climate-resilient communities.

These demands entail ending the exploitation of land, resources and labor, and demilitarizing borders, among other key climate justice demands.

Berkeley News: What type of policy does your research recommend?

Hossein Ayazi: What we conceptualize as the “Right to Stay” is not only the right for climate-displaced people to safely resettle when their lives are uprooted. It is also the right to stay in place amidst the climate crisis, and against the extractive and exploitative structures that are forcing them to move.

To be able to aid the transition to climate-resilient societies and regenerative economies globally — while protecting the world’s most marginalized and exploited people and communities — a Right to Stay policy platform entails:

Legal rights for all peoples displaced by the climate crisis, within and across national borders
Climate reparations to countries in the global south, whose vulnerability to the climate crisis follows centuries of global north extractive and exploitative political and economic activity
Just transitions that democratize, decentralize, and diversify economic activity and (re)distribute resources and power

Berkeley News: Why should the general public care about people displaced by climate change?

Hossein Ayazi: To address the condition of climate displacement is to come at the work of climate justice from multiple angles — from worker protections to migrant rights to prison abolition to reparations for the harms of colonialism and slavery to food sovereignty, and so on.

These struggles for justice and self-determination are all connected, especially under the climate crisis.

It’s that work that we’re trying to hold together through this database, and through the reports and recommendations that accompany it. Our work aims to map and strengthen this global constellation of efforts by helping the public and policymakers understand the structural nature of climate displacement.

Berkeley News: How do we build climate resilience in our own communities?

Hossein Ayazi: It begins with organizing ourselves as renters, as students, as workers, as debtors and so on. It’s about all the ways that we can collectively determine and respond to the sources of hardship in our life, in ways that are connected to these other issues.

And it must be through a hopeful message, a message that we’re going to co-create the future that we all deserve to live in.

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Medi-Cal Cares for You and Your Baby Every Step of the Way

Across California, including Alameda and San Francisco counties, Medi-Cal is working to address those concerns by expanding and coordinating maternal health services so pregnant and postpartum people receive care that is respectful, comprehensive, and easier to navigate. From the first prenatal visit through a child’s first birthday, Medi-Cal provides coverage and support designed to protect both parent and baby.

Published

3 days ago

February 3, 2026

Oakland Post

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For many pregnant people, pregnancy brings a mix of both joy and uncertainty. Alongside excitement, there are questions about finding the right doctor, understanding what care is covered, and knowing where to turn for support after the baby arrives. For Black families in Alameda and San Francisco counties those questions are often compounded by long-standing disparities in maternal health outcomes.

These services are available to people who qualify for Medi-Cal. In California, eligibility is based primarily on income, household size, age, pregnancy status, disability, or other qualifying circumstances. Pregnant people qualify at higher income levels than non-pregnant adults and remain eligible through pregnancy and for 12 months after the pregnancy ends.

Importantly, pregnant people who qualify for Medi-Cal are eligible for full-scope coverage regardless of immigration status, including medical, behavioral health, dental, and vision services during pregnancy and the postpartum year.

A Clearer Path Through Pregnancy: The Birthing Care Pathway

The Birthing Care Pathway helps pregnant people understand what care they should receive and when, while supporting providers in delivering coordinated, culturally responsive services. It outlines key steps during pregnancy, including prenatal screenings, behavioral health check-ins, nutrition support, and preparation for labor and delivery.

For Black pregnant and postpartum people in Alameda and San Francisco counties the pathway emphasizes early prenatal care, shared decision-making, and connections to community-based programs that address medical needs and social drivers of health.

Doula Services: Support Before, During, and After Birth

Medi-Cal covers doula services for pregnant and postpartum members who qualify. Doulas provide non-medical emotional support, education, and advocacy during pregnancy, labor and delivery, and postpartum recovery. Research shows doula care is associated with reduced stress, improved birth outcomes, and increased breastfeeding success.

Covered doula services include prenatal visits, support during labor and delivery, and postpartum follow-up visits, in accordance with Medi-Cal benefit guidelines.

Care That Continues After Birth: The Postpartum Pathway

More than half of pregnancy-related deaths in California occur after childbirth, with Black families facing the greatest risks. The Postpartum Pathway defines the care pregnant and postpartum people who qualify for Medi-Cal should receive during the first year after birth.

The Pathway promotes a comprehensive postpartum visit within 12 weeks, ongoing primary care through 12 months postpartum, screening and treatment for postpartum depression and anxiety, breastfeeding support, chronic condition management, and referrals to community-based services.

Mental Health, Dental, and Vision Care Included

Medi-Cal covers perinatal behavioral health services for eligible members, including screening, therapy, counseling, and medication management when medically necessary. Services may be provided in person or through telehealth.

Pregnant and postpartum people who qualify for Medi-Cal also receive full dental benefits, including exams, cleanings, and medically necessary treatment, as well as vision care such as eye exams and eyeglasses.

Community Supports Through CalAIM

CalAIM (California Advancing and Innovating Medi-Cal) is a statewide initiative that strengthens Medi-Cal by improving care coordination and addressing health-related social needs.

Through CalAIM, eligible Medi-Cal members in Alameda and San Francisco counties may receive Community Supports such as transitional housing assistance, medically tailored meals, and help navigating social services.

How to Contact Medi-Cal in Alameda and San Francisco Counties

Pregnant and postpartum people who meet Medi-Cal eligibility requirements can get help enrolling, choosing a health plan, finding providers, or accessing doula and postpartum services by contacting the Alameda County Medi-Cal office at (510) 795-2428 or the San Francisco Medi-Cal office at (855) 355-5757 or calling the number on their Medi-Cal card.

Support at Every Step

Pregnancy and postpartum care should be clear, compassionate, and complete. Through the Birthing Care Pathway, Postpartum Pathway, doula services, behavioral health care, Black Infant Health, and Community Supports, Medi-Cal is working to ensure that eligible families in Alameda and San Francisco counties — especially Black Californians — receive the care and support they need to stay healthy and give their babies a strong start.

Ready to Learn More or Get Started?

Pregnant and postpartum people in Alameda and San Francisco counties can learn more about Medi-Cal benefits, enroll in coverage, or get help finding providers by contacting the Alameda County Medi-Cal office or San Francisco County Medi-Cal office or calling the number on their Medi-Cal card. Trained representatives can explain eligibility, available services, and next steps.

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Life Expectancy in Marin City, a Black Community, Is 15-17 Years Less than the Rest of Marin County

“Marin City residents have been fighting for years just to stay here. Residents live with the fear of being forced out, public housing torn down and rebuilt for the wealthy. Due to ongoing issues continually being ignored, residents feel they must be empowered to make their own decisions for the future survival and protection of their community,” said Terrie Green, a lifelong resident and executive director of Marin City Climate Resilience (MCCR).

Published

3 days ago

February 3, 2026

Oakland Post

Marin City community leaders (l.-r.): Terrie Green, executive director of Marin City Climate Resilience (MCCR); Wambua Musyoki, Stanford University; Khamil Callahan, Santa Rosa Junior College; Serenity Allen, Xavier University; and Chinaka Green, MCCR associate director.

By Ken Epstein

People may be aware of the existence of Marin City and know a little about its history as a center of U.S. resistance to fascism in the World War II. But fewer know of the community’s ongoing struggles to survive potential displacement while facing severe toxic health and environmental conditions on a daily basis.

These conditions cause chronic disease and premature death, dramatically shown in the sharp difference in life expectancy between Black and white people living in households only a few miles apart.

A historically African American enclave, Marin City, occupies a 0.5-square mile area between Mill Valley and Sausalito with its own freeway exit near the Golden Gate Bridge. In contrast, the rest of Marin County rates among the healthiest, wealthiest, and most environmentally friendly counties in the country. However, it is one of the least racially equitable counties in California, with Black residents being the most impacted, according to the Advancement Project, a civil rights organization,.

The community owes its continued existence to the World War II generation that came to the Bay Area from the South to work in the shipyards and to the resiliency of its residents. Despite often facing discriminatory practices, such as redlining and a segregated school district, Marin City residents have continually created a strong community rich in culture, spirituality, and community values.

The current statistics are brutal. At present, Marin City residents face more than a 17-year difference in life expectancy compared to neighboring cities and towns. Contributing to these conditions are a lack of investment in public housing and infrastructure: unsafe drinking water, air pollution caused by proximity to the U.S. 101 freeway, unsanitary stormwater drainage that produces mold and mildew, as well as old and broken lead pipes and sewage in homes.

As an unincorporated community, Marin City residents must rely primarily on the elected Marin County Board of Supervisors, Department of Public Works, Transportation Authority of Marin and Caltrans for the decisions and investments that impact their lives.

MCCR’s focus is on environmental justice. Its purpose is to empower and advocate for individuals to embrace sustainable living, envision a future free of environmental harm and collectively work towards a better Marin City. MCCR’s motto is “Forever Marin City.”

MCCR has created a unique team of Marin City Youth Environmentalists who have studied and researched environmental issues impacting the health of the community.

Serenity Allen is an MCCR Youth Coordinator/Young Environmentalist studying to be a medical social worker at Xavier University. She has been working in the community for six years. “I strongly believe that where you live should not determine how long you are able to live,” she said.

Allen referred to the work done by former Marin County Public Health Officer Dr. Matt Willis, who stated that Marin City has a 17-year life expectancy difference between residents of Marin City (77 years) and more affluent areas like Ross (94 years).

“The research shows this gap is heavily correlated with race and socioeconomic status. Sausalito, which is not even two miles outside of Marin City, has a life expectancy of 92 years,” Allen said.

“Many elements contribute to this gap,” she said. “A major factor may be the 12 acres of toxic flood waters that pour down off the highway into low-lying Marin City.

In addition, “We do not have a barrier wall protecting us along our highway; the rest of Marin County has 16 barrier walls to protect from noise and air pollution. Marin City has been fighting for a barrier wall since 2008,” she said.

Octavien Green, an MCCR high school environmentalist, spoke about the impact of the absence of recreational facilities on health and wellness, particularly for youth.

“Lack of investment in our recreational facilities means we have fewer spaces and opportunities for physical activity, which contribute to serious health problems like heart disease, diabetes, weak bones and low energy, especially for kids. We are presently involved in an ongoing struggle just to rebuild a sports ball field for the community that’s been unusable for the last 15 years.”

“Marin City is the center of Black culture for all of Marin County,” said Green. “Historically, though, the county has not invested in the community, and you see it in the life expectancy, the highest chronic disease and disability rates and eight times the amount of asthma. In the last six weeks, we’ve had three young people in their 40s and 50s die from heart attacks. This is alarming and must be addressed.”

Looking toward next steps, she said, “The way forward is through incorporation,” which would mean that Marin City would have its own elected leadership to find solutions that determine the future of the community.

This is the first in a series of articles on Marin City, examining conditions in the community and interviewing both community members and public officials.

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LIVE from the NMA Convention Raheem DeVaughn Says The Time Is Now: Let’s End HIV in Our Communities #2

Set against the backdrop of the NMA conference, Executive Officers from the National Medical Association, Grammy Award Winning Artist and Advocate Raheem DeVaughn, and Gilead Sciences experts, are holding today an important conversation on HIV prevention and health equity. Black women continue to be disproportionately impacted by HIV despite advances in prevention options. Today’s event […]

Published

3 days ago

February 3, 2026

Oakland Post

Black women continue to be disproportionately impacted by HIV despite advances in prevention options. Today’s event is designed to uplift voices, explore barriers to access, and increase awareness and key updates about PrEP, a proven prevention method that remains underutilized among Black women. This timely gathering will feature voices from across health, media, and advocacy as we break stigma and center equity in HIV prevention.

Additional stats and information to know:

● Black women continue to be disproportionately affected by HIV, with Black women representing more than 50% of new HIV diagnoses among women in the U.S. in 2022, despite comprising just 13% of women in the U.S.

● Women made up only 8% of PrEP users despite representing 19% of all new HIV diagnoses in 2022.

● Gilead Sciences is increasing awareness and addressing stigma by encouraging regular HIV testing and having judgment-free conversations with your healthcare provider about prevention options, including oral PrEP and long-acting injectable PrEP options.