Once a fringe movement, green parties are increasingly shaping the debate in countries around the world. How influential are they, and what comes next?

With President Donald J. Trump advocating for deep cuts to U.S. foreign aid, debate has renewed over the role of foreign assistance funds in boosting growth, promoting democracy, and saving lives.

The Amazon Rainforest plays a critical role in global climate health, but accelerating deforestation continues to raise alarm. How are the region’s governments responding?