Why are cities hotter than the countryside?

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5. What is the purpose of Hiri?
6. What is the smallest species of elephant?
7. Is the Javan elephant extinct?
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Tags

1. #since
2. #warmer
3. #energy
4. #concerns
5. #temperatures
6. #effect
7. #causes
8. #health
9. #nearby
10. #impact
11. #according
12. #rural
13. #scientists
14. #areas
15. #quality
16. #known
17. #cities
18. #phenomenon
19. #urban
20. #public
21. #suburban
22. #island
23. #demand