More than 5,100 people in Germany died from heat-related causes this year until the end of June, the Robert Koch Institute reports. But how can researchers prove that someone died because of soaring temperatures?

Mit 6.830 Sterbefällen erreicht dieses Jahr schon jetzt einen traurigen Rekord. Doch es gibt noch eine zweite Zahl, die uns alarmieren müsste.

More than 5,100 people in Germany died from heat-related causes this year until the end of June, the Robert Koch Institute reports. But how can researchers prove that someone died…