地球一小时（Earth Hour）是一个全球性节能活动，希望借此活动推动电源管理，减少能源消耗，唤起人们以实际行动应对全球变暖的意识。
而配合2018年3月24日的地球熄灯一小时运动，星巴克宣布推出饮料促销优惠！大家可以从即日起至3月24日使用Starbucks Tumbler购买星巴克饮料，这样就可在3月24日地球一小时的时候索取免费的饮料。
所有使用Starbucks Tumbler购买星巴克饮料的民众，收据将会被盖章，记得要把收据保存起来，可以在3月24日晚上8点30分至9点30分期间携带该收据，前往星巴克索取免费的饮料。
When you purchase any beverage with your Starbucks Tumbler from today onwards, you can redeem 1 complimentary Coffee of the Week / Tea / Americano on 24 March, from 8:30pm - 9:30pm.
• Redemption period is only on 24 March, 8:30pm to 9:30pm
• Receipt will be stamped when you purchase using Starbucks Tumbler within the promotion period (19-24 March)
• Not valid with other discount or promotion
• Not entitled for My Starbucks Rewards
• Choice of Tall Size Freshly Brewed Coffee / Tea / Americano redeemable at all Starbucks stores in Malaysia except Starbucks Genting Highlands ( all stores located in Genting Highlands), Tapah R&R kiosk ,Sunway Lagoon kiosk ,Masjid Jamek LRT station , Bangsar LRT station.
