As the Chinese Communist Party marks its 100th anniversary this month, it faces a raft of challenges, including slow economic growth, environmental degradation, and tensions with the United States.

As the focus on environmental and social justice issues has increased, green parties have grown in influence across many countries. Here’s how they’re reshaping today’s political landscape.

China’s political system is complicated, and there’s a lot of contradictory information out there. Is China a communist country? Is it democratic, as its own government insists? And what does “freedo…