Lights go out on famous monuments around the world to mark Earth Hour

In North America New York's Empire State Building switched off its lights, as did UN headquarters and Canada's Niagara Falls, whilst in South America Rio de Janeiro's iconic Christ the Redeemer statue went dark.

Christ the Redeemer statue stands with its lights turned off during an hour of voluntary darkness for the global "Earth Hour" campaign in Rio de Janeiro, Brazil, March 22 2025 (Christ the Redeemer statue stands with its lights turned off during an hour of voluntary darkness for the global "Earth Hour" campaign in Rio de Janeiro, Brazil, March 22 2025)