HE the Minister of Municipality and Environment Dr Abdulla bin Abdulaziz bin Turki al-Subaie has honoured a man, Ahmad Naji al-Aji, and his grandson, Sahim Yousef al-Aji, for their "outstanding civil behaviour that embodied an excellent example of patriotism and environmental conservation". Helped by his grandson, Ahmad prevented a tree from falling off, the Ministry of Municipality and Environment said in a tweet on Monday. "The ministry values such efforts that aim to preserve and protect the environment by any and all citizens and residents of Qatar," it stressed.