How much has San Antonio’s climate warmed since the 1st Earth Day?

Friday will mark the 52nd official Earth Day in the U.S.

Since the inaugural Earth Day in April of 1970, the United States, Texas, and San Antonio have all warmed - meaning that these locations have all seen an increase in their average annual temperature from the year 1970 to the year 2021. This is according to a recent report from Climate Central, “an independent organization of leading scientists and journalists researching and reporting the facts about our changing climate and its impact on the public.”

According to the scientific data released, the United States as a whole has warmed 2.6 degrees Fahrenheit since 1970. However, some individual states have warmed more than that. The state that has seen the most warming since 1970 is Alaska with a temperature increase of 4.3 degrees Fahrenheit.

Forty-nine states have warmed since 1970, according to Climate Central. (Copyright 2022 by KSAT - All rights reserved.)

Climate Central also reports that the state of Texas has warmed 2.8 degrees Fahrenheit since 1970, while the city of San Antonio has warmed 3.1 degrees Fahrenheit. Again, this means that San Antonio’s average annual temperature has increased 3.1 degrees Fahrenheit since the year 1970.

San Antonio's average annual temperature has increased more than 3 degrees Fahrenheit since 1970, according to Climate Central (Copyright 2022 by KSAT - All rights reserved.)

Warming of this magnitude - on both a local and national scale - is due to an increase in carbon dioxide and other greenhouse gases due to emissions caused by humans. Scientists agree that the current rate of warming will cause increased frequency of extreme weather across the globe as soon as the year 2040 - including wildfires, flooding, sea level rise, and drought.

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About the Author:

Kaiti Blake is a child weather-geek-turned-meteorologist. A member of the KSAT Weather Authority, Kaiti is a co-host of the Whatever the Weather video podcast. After graduating from Texas Tech University, Kaiti worked at WJTV 12 in Jackson, Mississippi and KTAB in Abilene.