Born in 1972 in Tarwada/Keita in the region of Tahoua, Charha took his degree under the Faculty of Agronomy at the University of Abdou Moumouni de Niamey as Ingénieur des Techniques Agricoles (Option: Water and Forests) in 2002, and a Masters in Agricultural Sciences majoring in Agroecology (option in Integrated Soil and Water Management) in 2018. As an engineer in water and forestry, Charha has held a number of posts within the Ministry of Environment, including: 

• Program Manager at the National Nature Protection Brigade, Deputy Departmental Director of the Environment, Urban Health and Sustainable Development, Conservator of the Tamou Total Wildlife Reserve. 
• Within the Cabinet of the Prime Minister, Charha is currently Advisor to the Executive Secretariat of the National Council for the Environment for Sustainable Development (CNEDD) in the Climate Change and Variability Division.

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