Nairobi matatus’ odd engine idling culture pollutes, harms health
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AIDS currently affects about 36.7 million people in the world. At the end of 2015, around 2.1 million people were newly infected, and 1.1 million died from AIDS-related disease. Since the start of the epidemic, 78 million…
Every dollar spent restoring degraded forests can result in $30 in economic benefits.