Adriaan Van Der Walt

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A man pours water on his head to cool off in Algiers, during a heat wave on 18 July 2023. AFP via Getty Images

July 20, 2023

Adejuwon Soyinka, The Conversation

Temperature records are being broken in Africa and around the world.

When cold weather sets in there are several ways to keep yourself warm. NickyLloyd/Getty Images

May 10, 2023

Adriaan Van Der Walt, University of the Free State; Jennifer Fitchett, University of the Witwatersrand, and Sarah Roffe, Agricultural Research Council

Climate systems which drive anomalously cold weather will still cause cold extreme events into the 21st century.

Being too hot isn’t just uncomfortable: it can be dangerous. Angel DiBilio/Shutterstock

January 26, 2023

Sarah Roffe, Agricultural Research Council; Adriaan Van Der Walt, University of the Free State, and Jennifer Fitchett, University of the Witwatersrand

Simply put, southern Africans are experiencing heat stress more often than in 1979.

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March 18, 2021

Ozayr Patel, The Conversation

Understanding when there will be extreme heat and extreme cold can help people prepare.