價格：免費
更新日期：2017-02-16
檔案大小：2.2 MB
目前版本：1.2
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Make good things Happen. Happen builds communities of local sustainability champions who are focused on conserving resources, reducing pollution and eliminating waste—and do so through their own actions. With Happen, you can network and compete with others in your community to complete challenges that positively impact your environment.
We can do more together than we can alone. The more people who make it Happen, the better off we all become.
Download Happen today to share your experiences, engage in conversations, and discover what’s Happening in your area.
支援平台：iPhone, iPad