Climate change issues bring into greater prominence that all the world's people are linked together and that we all have a stake in creating a sustainable path for the planet and no such path can allow for 10 million avoidable child deaths each year.

For years, a chemical plant in the Chinese village of Qiugang had polluted the river, poisoned the drinking water, and fouled the air — until residents decided to take a stand. The Warriors of Qiugang, a Yale Environment 360 video co-produced by Ruby Yang and Thomas Lennon, tells the story of the villagers’ determined efforts to stop the pollution.

To regard its unspoiled beauty on a spring morning, you might be led to believe that the river is safely off limits from the destructive effects of industrialization. Unfortunately, you’d be mistaken.

The Delaware is now the most endangered river in the country, according to the conservation group American Rivers.