Bloomberg: Athletes at the Olympic Games may struggle to break world records as they compete with Brazils rising temperatures caused by climate change.
Marathon runners, swimmers, volleyball players and even soccer referees will succumb to extreme heat and lose concentration during the games, in some cases risking their lives to heatstroke, according to a report released Monday by Observatorio do Clima, a Brazilian civil society group.
Because of warming, sport will never be the same again, the report...