Dance to your heart's content at Dance2Power Earth Hour, an event organized by the World Wide Fund for Nature (WWF), which will also see stage performances, an eco-carnival and an outdoor movie screening you'll be powering with all your sleek moves. 

There's probably no better time to treat your friends to healthy comfort food as our favorite vegan burger joint opts for an eco-friendly light source to celebrate Earth Hour at Veganburg. All proceeds from meals served during this time will go to the Tzu Chi Foundation. 

Buy notebooks and stationery made out of recycled and recyclable materials at the Singapore Changi Airport's first Green Bazaar, a rare chance to see the place in varying degrees of darkness.