A pilot program in Mexico City parks encourages people to clean up after their dogs.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/zuwpwmVUbDM" height="1" width="1"/>
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A pilot program in Mexico City parks encourages people to clean up after their dogs.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/zuwpwmVUbDM" height="1" width="1"/>