When it comes to cleanliness, these cities take the lead. When many people think of Africa, they think of dirt, trash bags, empty bottles, open defecation, and sand, but this isn’t always the case; some cities in Africa are clean and environmentally conscious. Here’s a glimpse at the five cleanest African cities1. Kigali, RwandaRwanda takes environmental protection seriously. Their national park, Nyungwe Forest, emphasises the importance of cleanliness to preserve the delicate ecosystem. As a strong indicator of their commitment, Kigali, the capital city, banned plastic bags in 2008, with heft…