The "Earth Hour" activity initiated by WWF World Wide Fund for Nature, this year is the 11th year, and Beijing North Star Office Building Management Company has participated in this activity for nine consecutive years. At 8:30 pm on March 24, the company's four projects, North Star Times Building, Century Center, Huixin Building, and Huibin Building, opened the 2018 Earth Hour event with more than 180 countries and regions around the world.

Since the second year of the “Earth Hour” event entering China, Beijing North Star Office Building Management Company will actively participate in the event every year, whether it is the design and production of pre-event posters, the posting of various buildings, and the appeal of the company’s official website. This kind of enthusiasm for environmental protection encourages and invites all renting customers to act together to pay attention to the earth environment and environmental protection. This year's event is in response to the concept of 60+, and specifically put forward the four propositions of "reducing plastics, green consumption, reducing disposable products, and green travel", calling on everyone to take action to participate.