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Racist Policies in Urban Neighborhoods Have Created Deadly “Heat Islands”

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This piece was originally published in The Guardian and appears here as part of our Climate Desk Partnership.

Deadly urban heatwaves disproportionately affect underserved neighborhoods because of the legacy of racist housing policies which have denied African Americans home ownership and basic public services, a landmark new study has found.

Extreme heat kills hundreds of people in the US every year—more than any other hazardous weather event, including hurricanes, tornadoes and flooding, according to the Centers for Disease Control. Heatwaves have been occurring more frequently since the mid-20th century, and are expected to become more common, more severe and longer-lasting due to the climate crisis.

However, exposure to extreme heat is unequal: temperatures in different neighborhoods within the same city can vary by 20F. It is mostly lower-income households and communities of color who live in these urban “heat islands” which have historically had fewer green spaces and tree canopy, and more concrete and pavements and thus are less equipped to cope with the mounting effects of global heating.

This new study reveals how current temperature disparities echo the legacy of past racially motivated town planning. Urban neighborhoods denied municipal services and support for home ownership during the mid-20th century are now the hottest areas in 94% of the 108 cities analysed by researchers at Portland State University and the Science Museum of........

© Mother Jones