Assam’s leading conservationist Purnima Devi Barman has been awarded the United Nation's highest environmental honor, ‘Champions of the Earth’, for 2022.

• As per the United Nations Environmental Program, Barman who is a wildlife biologist won the award along with four others from different countries for their transformative action to prevent, halt and reverse ecosystem degradation.
• Champions of Earth Award is given in various categories and India’s Purnima Devi Barman received it in the Entrepreneurial Vision Category, for leading the ‘Hargila Army’.