Juan Declet-Barreto

Climate Vulnerability Social Scientist

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Dr. Juan Declet-Barreto is a climate vulnerability social scientist for the UCS Climate & Energy program and the Center for Science and Democracy. Dr. Declet-Barreto earned a Ph.D. in environmental social sciences, M.A. and B.S. degrees in geography, and an associate’s degree in geographic information systems from Arizona State University. At UCS, his research maps, analyzes, and finds solutions to the unequal human health and livelihood impacts of environmental hazards, particularly those exacerbated by climate change. See Juan's full bio.

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Anthony Behar/Sipa Press

Hot Weather and COVID-19: Added Threats of Reopening States in Summer

A look at the colliding dangers of extreme weather–with a focus on extreme heat–and COVID-19, and a few ways in which Congress can bring relief to the millions in the path of both threats. Read more >

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U.S. Air Force/Senior Airman Stephanie Gelardo

Maps Showing Where Most Vulnerable Are Hardest-Hit by COVID-19 in the US Point to Deepening Injustice

Environmental hazards threaten people all over the world. Among these are air and water pollution from industrial and toxic hazards, extreme weather events made worse by climate change, and public health threats like the novel coronavirus that causes COVID-19. The impacts of these hazards are inequitably distributed among the population, and loss of life and property are usually higher among persons in vulnerable communities.

In this post, I present maps of places where COVID-19 intersects with vulnerable populations. But first, let’s look at the reasons why there are so many inequities in impacts among the population.

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U.S. Air Force/Senior Airman Stephanie Gelardo
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Woman in nursing home Flickr/Alyssa L. Miller

Para enfrentar la pandemia del coronavirus necesitamos escuchar a los científicos y mantener el distanciamiento social

La pandemia global del coronavirus ha transformado nuestras vidas en cuestión de días, y es muy probable que se prolongue el estado de emergencia por semanas o tal vez meses debido a la facilidad de transmisión del virus que causa la enfermedad COVID-19. La comunidad Latina estará entre las más afectadas. Read more >

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Forest Service photo by Grizelle González

Forest Service Budget Cuts Will Deprive US Communities of Forestry Science that Improves Climate Resilience

“Trees are the answer.” The maxim was on a sticker on my PhD mentor’s office door at Arizona State University (ASU). But what was the question? Turns out, there were a lot of them.

  • How to reduce extreme heat in cities? More trees can provide shading and absorb humidity, contributing to lowering the heat index.
  • How to improve urban air quality? More trees that can breathe in more air pollutants.
  • How to stabilize coastal areas from erosion and reduce flooding from hurricanes? Protect mangrove trees and the ecosystems that sustain them, nurture them to grow strong roots, and they will act as barriers against storm surge and even tsunamis. Read more >
Forest Service photo by Grizelle González
Forest Service photo by Maria M. Rivera
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Javier Sua muestra como usa su inhalador de asma en su casa en Fresno, California AP/Scott Smith

Los ataques del gobierno de Trump a la ciencia ponen a una generación completa en riesgo

Las protecciones ambientales están en peligro debido al empeño del gobierno del presidente Trump en ignorar la ciencia y eliminar las políticas públicas que protegen la salud de todas y todas y en especial de las niñas y los niños.  Read more >

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