Earth Hour

Earth Hour is a global event that encourages people to turn off non-essential lights for one hour to demonstrate support for the environment. 

• Saturday March 22, 2025  8.30-9.30pm (local time around the world)

• Raise awareness about environmental issues and human role.

• We can small changes to protect our community

• Turning out lights is a simple step

• Taking first step leads to next one

• Many small changes make a big impact

Light pollution harms

• Human Health: Artificial light disrupts sleep cycles, increases risks for obesity, depression, diabetes, and even certain cancers. 

• Ecosystems: Wildlife behaviors like migration, reproduction, and feeding are disrupted, affecting pollinators and other species vital to ecosystems  

• Energy Waste: Excessive lighting contributes to unnecessary energy consumption and climate change

What we can do at home

• Turn off unnecessary lighting indoors and out

• Outdoor lighting > eliminate uplighting, shield porch & other lighting, use motion detector lighting where practicable, switch to amber bulbs, shield lights that can blind drivers

• Unplug unused appliances as they still draw current  >> scavenger hunt for plugged-in appliances w kids