Kare muhalli aiki ne na kare muhalli daga mutane, ƙungiyoyi da gwamnatoci. Manufofin ta shine adana albarkatun ƙasa da yanayin da ake ciki yanzu, kuma, idan ya yiwu, don gyara lalacewa da juyawar yanayi. Saboda da matsin lamba na overconsumption, yawan girma da kuma fasaha, da biophysical yanayi da ake kaskanta, wani lokacin har abada. An yarda da wannan, kuma gwamnatoci sun fara sanya takunkumi kan ayyukan da ke haifar da lalata muhalli. Tun daga shekara ta 1960s, ƙungiyoyin muhalli sun haifar da ƙarin wayewar kai game da matsalolin muhalli da yawa . Akwai sabani game da tasirin muhalli na ayyukan ɗan adam, don haka lokaci-lokaci ana tattauna matakan kariya. A cikin ƙasashe masu masana'antu, yarjeniyoyin muhalli na son rai sau da yawa suna ba da dandamali don kamfanoni da za'a amince dasu don ƙaura fiye da ƙa'idodin don haka tallafawa cigaban mafi kyawun aikin muhalli. Misali, a Indiya, Amintaccen Inganta Muhalli (EIT) yana aiki don kare muhalli da kare gandun daji tun 1998. Kungiyar Volan Agaji na Green sun sami maƙasudin ra'ayin Green India Clean.