The symbolic blackout between 8:30 pm and 9:30 pm reaches its 20th year under the motto 'Give an hour for the planet'. The organisation speaks of the 'transition from a symbolic gesture to a movement of concrete action'.
When was the last time you turned off the lights for Earth Hour? This Saturday you have a new opportunity
Saturday, 28 March 2026RSS
Context & Explainers
Sustainability (sustentabilidade) means meeting present needs without reducing the ability of future generations to meet theirs, covering environmental, economic and social dimensions. For residents it affects local planning, jobs and services—look for municipal or company targets, timelines and measurable actions when assessing how sustainable a place or employer is.
