What's causing the heat wave around the world? | BKB (1 July 2021)

An intense heatwave swept across the countries like Canada and the US leaves hundreds dead.  Canada set a new all-time high-temperature record for the third day in a row on June 29, reaching 49.5 degrees Celsius.  Not just that in India's capital Delhi also the maximum temperature was the temperature of 43.4 degrees Celsius.  Watch the video to know more about the story. Stay connected for regular updates.