Itanagar, April 21: Arunachal Pradesh Urban Development Minister Nabam Rebia on Friday stressed the need to protect nature and highlighted environmental issues than might affect the future generations. Participating in a plantation programme, which coincided with the inauguration of a volleyball tournament in Papum Pare district, the minister said planting trees and ensuring a clean environment are a collective responsibility and urged the panchayat members, youth and others to make Tigdo and its adjoining areas 'clean, green and beautiful'.