Abubuwan da suka shafi muhalli, suna da tasiri na aiyukan dan adam akan yanayin halitta, mafi yawan abin da ke haifar da lalacewar muhalli. Kare muhalli al'ada ce ta kare yanayin a kan daidaikun mutane, kungiyoyi ko gwamnati, don amfanin muhalli da mutane. Muhalli, cigaban zamantakewa da muhalli, yana magance matsalolin muhalli ta hanyar ba da shawara, ilimin dokoki da gwagwarmaya.[1]
Lalacewar muhalli da mutane ke haifarwa matsala ce ta duniya mai gudana. Yawancin masana kuma suna tunanin cewa aikin ya kuma kai kololuwar yawan jama'ar duniya tsakanin mutane biliyan 9-10, zai iya rayuwa mai ɗorewa a cikin halittun duniya idan al'ummar bil'adama ta yi aiki don rayuwa mai ɗorewa a cikin iyakokin duniya.[2][3][4] Mafi yawan tasirin muhalli na faruwa ne sakamakon mafi yawan attajirai a duniya suna cin kayayyakin masana'antu da yawa.[5][6][7] Shirin Muhalli na Majalisar Dinkin Duniya, a cikin rahotonsa na "Samar da Zaman Lafiya Tare da Kuma Yanayi" a cikin 2021, an gano yana magance manyan rikice-rikice na duniya, kamar gurbatar yanayi, canjin yanayi da asarar rayayyun halittu, idan ɓangarorin suka yi aiki don magance Manufofin Ci gaba mai dorewa.[8]