Sustainability
![](http://wwfhourbank.awsassets.panda.org/img/switch-the-lights-off---opt-for-natural-light-_1203.png)
During the day, there is little need to have your non-essential lights glaring. Use an hour to clean your windows and skylights and watch the natural light pour in. Boost your happiness and enjoy the extra Vitamin D!
![](http://wwfhourbank.awsassets.panda.org/img/switch-the-lights-off---opt-for-natural-light-_1203.png)
During the day, there is little need to have your non-essential lights glaring. Use an hour to clean your windows and skylights and watch the natural light pour in. Boost your happiness and enjoy the extra Vitamin D!
Recibe actualizaciones y consejos, ¡te contaremos más iniciativas para la Hora del Planeta!
Earth hour has partnered with Epson in 2024 to encourage more people to take actions to save energy and make energy-efficient choices.
Find out more about Epson at https://corporate.epson/en/