Brazilian photographer Conceicao Praun is a professional with a cause. Her concern for the environment globally can be seen in her calendar for 2010 titled 'Face,' the black and white environmental documentation of 50 photographs captured in different countries. The calendar has been printed on a wood-free paper, and it talks about different matters related to one topic 'Environment'. Among those matters are topics like bio-gas and photovoltaic panel, matter segregation, sanitary workers, wet generation, water pollution, air pollution and desalination.

Containers of gas for the use of cooking