Hanoi, March 27 -- Earth Hour 2026 is being held amid growing pressure to ensure energy security as surging global fuel prices have pushed up electricity production costs.

The campaign has evolved beyond a symbolic lights-off event into a broader policy-driven effort tied to energy efficiency directives, including the Politburo's Conclusion No. 14-KL/TW and the Prime Minister's Directive No. 09/CT-TTg, and measures to stabilise fuel supply and prices.

This year's message, "Green Innovation - Green Future", encourages agencies, organisations, businesses and communities to adopt energy-saving practices and technological solutions.

The lights-off event will take place from 20:30 to 21:30 on March 28, but authorities stress the goal is to ...