“ An estimated 1.6 billion people ​ — about a quarter of humanity — ​ have no access to electricity, and 2.4 billion rely on charcoal, dung or wood as the principal sources of energy for cooking and heating, ” states Our Planet, a magazine published by the United Nations Environment Programme.
وتضيف المجلة :‏ « ان الدخان المنبعث من هذا الوقود التقليدي يقتل نحو مليونين ونصف مليون امرأة وطفل كل سنة » .‏