Buying coffee grown by certified farms, such as this one in Guatemala, guarantees environmental, social and economic sustainability. (Video: Assignment Earth)

* * *

"Assignment Earth" features compelling video reports from the front lines of major environmental stories from around the globe. Topics include global warming, pollution, habitat destruction and endangered species.

Related Links:

Rainforest Alliance: Sustainable Coffee

Top 5 Indicators of Sustainable Coffee

More videos in the Assignment Earth Guatemala series:

Smart timber
Flower power