Huge mural by local artist Phlegm on side of Grade II listed building Eye Witness works, Headford Street, Milton Street, Sheffield, Yorkshire, England

Solar panels in middle of lush green nature, green energy, Italy

Aerial of N´Djamena, capital of Chad and the Chari River, Chad

Coal (charcoal), Eastern Central African Republic

Watermelon crop on lands bought or rented by China for Chinese market, Nong Khiaw area, northern Laos

Cow eating from a trash bin, Pushkar, Rajasthan, India

Red Cross and Red Crescent flags, Geneva, Switzerland

Garbage dump, Hvar island, Croatia, Southeast Europe

Long neck Karen (Kayan) woman in Baan Tong Luang eco village near Chiangmai, Thailand

Broken Chair, Memorial to the Victims of Landmines, United Nations Office, Place des Nations, Geneva, Switzerland

Broken Chair, Memorial to the Victims of Landmines, Place des Nations, Geneva, Switzerland