I wish to end with two photos from the US and China that illustrate why many of us in the Sierra Club and NGOs work for lifetimes to monitor law and implement policy.

• 我想最后给大家展示两张照片，分别来自美国和中国。这两张照片说明了为什么在塞拉俱乐部和NGO工作的很多人终其一生都来监督法律，实施政策。