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Why is it colder at high altitudes?

02:58

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René Wilbrandt
July 1, 2022

This week's viewer question comes from Hans Dawson from Tanzania.

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Africa

Will Trump's security strategy benefit resource-rich Africa?

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Asia

Sri Lanka: Cyclone aftermath disrupts economic recovery

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Germany

Germany: Activists upset Chancellor Merz with CDU memorial

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Europe

End of Ukraine war won't secure peace in Europe: Ischinger

End of Ukraine war won't secure peace in Europe: Ischinger

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Middle East

In Gaza, flooded shelters make life unbearable for displaced

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North America

Trump 'gold card' fast-tracks US visas for the wealthy

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Latin America

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