Sport 2050: How does extreme heat affect athletes?This video can not be playedTo play this video you need to enable JavaScript in your browser.Sport 2050: How does extreme heat affect athletes?CloseBBC Sport looks at the impact that extreme heat can have on athletes. READ MORE: Sport 2050; Beneath the dome - how cricket could look due to climate changeSport 2050: A World Cup like no other?Sport 2050: Why we are doing this - and why it mattersSport 2050: A weather forecast from the futureSectionSportPublished17 May 2021Shareclose panelShare pageCopy linkAbout sharingRead description