Q. The United Nations has declared the 2021-30 decade as:
Explanation:
The United Nations has declared the 2021-30 decade as the decade of ecosystem restoration.
The Decade for Ecosystem Restoration was declared on 5 June 2021. It called for a biosphere restoration equal to the total land area of China. In addition, more stringent efforts towards climate mitigation as well were needed to preserve the ecological makeup of the earth