Here is the latest top stories from Press TV on July 6, 2021.

California warns that millions of homes could be hit by rolling blackouts imposed on Monday to manage overwhelming energy demands caused by an extreme heat wave. manage overwhelming energy demands caused by an extreme heat wave baking the state for a fourth straight day.

For years, scientists have warned about the negative impacts of rising temperatures on human life.

Greek officials have begun evacuating hundreds of refugees from the Greek island of Lesbos, where the crushing heat has made conditions unbearable.

Ice cubes and frozen food are fed to Paris zoo animals to counter the latest heat wave in the French capital. 

Tourists discover the Grotte des Grandes Canalettes in Villefranche-de-Conflent, in France's Pyrenees region, a cave network buried deep in 395-million-year-old limestone.

Nordic countries are experiencing searing temperatures as Europe's record-breaking heatwave moves north.

US media has blamed the country's massive heat wave for at least six deaths.

Australia looks set to sweat through one of its hottest Decembers ever.

According to the Red Cross, North Korea has not seen a drop of rain since early July.