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Millions of New Yorkers live in an ‘urban heat island.’ Are you one of them?
By Alix MartichouxNick Jachim,
11 days ago
(NEXSTAR) – Does it feel hotter on your block than the temperature predicted by your local TV meteorologist? The “urban heat island” effect may be to blame.
“Urban heat islands” can make heat waves feel even hotter, recording temperatures that are several degrees higher than the surrounding area.
It comes down to the way cities and neighborhoods are designed. The temperature on your block is influenced by everything from the number of trees on the street to the color of the pavement. When trees and vegetation (which absorb heat) are replaced by buildings and roads (which can radiate heat), it feels hotter.
Climate Central, an organization of scientists and journalists focused on studying the impacts of climate change, broke down 65 cities into Census blocks to determine which neighborhoods suffer from the worst urban heat effects.
Six cities had more than 1 million people living under an urban heat island effect over 8 degrees, they found. That means for millions of residents of New York, Los Angeles, Houston, Chicago, San Antonio and Dallas, “on a day when temperatures in a park outside the city are 90°F, it feels like 98°F or higher,” the report explains.
The urban heat island effect can still be at play in smaller and mid-size cities. More than 80% of the population in the following cities experiences 8 degrees (or more heat) because of their built environment:
Take New York City, for example. The map of hot spots around New York shows lots of neighborhoods shaded in dark red and purple, with relief only to be found in the park-filled parts of Queens and on Staten Island.
Meanwhile, Newark is seeing the largest percentage of its total population suffering from extreme urban heat.
More than 300,000 people, (about 97% of Newark’s population), are seeing at least 8 degrees of heat. 119,000 of those people are having it even worse, experiencing heat of over 9 degrees or more.
You can explore the different urban heat islands of all the U.S. cities analyzed here .
The researchers also named a number of solutions — both short-term and long-term — to the urban heat problem. Planting trees can help, especially as those trees mature and grow larger to increase shade. Roof materials that reflect heat, as well as rooftop gardens, can cool things down in dense neighborhoods.
One of the hottest parts of any city is dark pavement that’s been soaking up the sun. Asphalt and concrete can even radiate heat after the sun goes down, keeping a neighborhood from cooling down at night. The EPA suggests looking into “cool pavement” technology as a solution.
Copyright 2024 Nexstar Media Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
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