Boy wiith cow dung to clean the cows, Mundari tribe, South Sudan, Africa

Young boy collecting cow dung, Mundari tribe, South Sudan, Africa

Woman repairing house wall with mud and cow dung mixture, Nalvara village, Assam, India, Asia

Young boy collecting cow dung, Mundari tribe, South Sudan, Africa

Building made out of cow dung, Uolba village, Road of Bones, Sakha Republic (Yakutia), Russia, Eurasia

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

Indian woman comes to collect cow dung from herd of cattle at Jhupidiya Village in Sawai Madhopur, 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

Indian woman villagers patting cow dung mound for cooking fuel at Kutalpura Village 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

Indian woman in sari carrying cow dung pats to dry for cooking fuel at Khore village in Rajasthan, Northern 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

Indian woman villagers patting cow dung mound for cooking fuel at Kutalpura Village in Rajasthan, Northern India

Indian woman villagers drying cow dung for cooking fuel at Kutalpura Village 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

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

Indian boy inside his home made of mud bricks coated in cow dung in Bishnoi tribe village near Rohet in Rajasthan, Northern India

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

Bangladesh worker feeding fish with cow dung. Fish hatchery employing scientific methods at haluaghat, mymensingh region

Cow dung belonging to subsistence farmers in the Sunderbans, a low lying area of the Ganges Delta in Eastern India, that is very vulnerable to sea level rise. The cow dung is used as biofuel in traditional clay ovens.

Cow dung belonging to subsistence farmers in the Sunderbans, a low lying area of the Ganges Delta in Eastern India, that is very vulnerable to sea level rise. The cow dung is used as biofuel in traditional clay ovens.

Woman pressing cow dung to dry on the wall of a house, Shibpur district, Howrah, Kolkata, West Bengal, India, Asia

Cow dung belonging to subsistence farmers in the Sundarbans, a low lying area of the Ganges Delta in Eastern India, that is very vulnerable to sea level rise. The cow dung is used as biofuel in traditional clay ovens

Woman making cow dung patties, Bodhgaya, Bihar, 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.