Cattle dung pressed onto sticks to be sun dried and used as cooking fuel, Nalvara village, Assam, India, Asia

Neatly-stacked dried cow dung, hand-formed into pats to be used for fuel for cooking, at a farm in Agra, Uttar Pradesh, India

Neatly-stacked dried cow dung, hand-formed into pats to be used for fuel for cooking, at a farm in Agra, Uttar Pradesh, India

Indian village home with dried cow dung for fuel in Sawai Madhopur in Rajasthan, Northern India

Neatly-stacked dried cow dung, hand-formed into pats to be used for fuel for cooking, at a farm in Agra, Uttar Pradesh, India

Neatly-stacked dried cow dung, hand-formed into pats to be used for fuel for cooking, at a farm in Agra, Uttar Pradesh, India

Indian villager at home with dried cow dung for fuel in Sawai Madhopur in Rajasthan, Northern India

Indian village home with dried cow dung for fuel in Sawai Madhopur in Rajasthan, Northern India

Bangladesh, Rajshahi, Sticks of cow dung drying in the sun to be used as fuel.

Bangladesh, Rajshahi, Sticks of cow dung drying in the sun to be used as fuel.