Nazarin dorewa

Nazarin dorewa wani fanni ne na ilimi daban-daban wanda ke nazarin ƙa'idodi da ayyukan dorewa da ci gaba mai ɗorewa. Manhajar karatu galibi tana haɗa yanayin ƙasa, noma, manufofin muhalli, ɗabi'a, muhalli, gine-ginen shimfidar wuri, tsare-tsaren birane da yankuna, tattalin arziki, kula da albarkatun ƙasa, zamantakewa, da ilimin ɗan adam. 
alt=Venn diagram showing three overlapping circles labelled Social, Economic, and Environmental|thumb|335x335px|Yankuna uku na dorewa
Jami'o'i da yawa suna ba da shirye-shiryen digiri a cikin karatun dorewa don shirya masu digiri don matsayi a cikin kula da muhalli, ci gaban manufofi, da ayyukan kasuwanci masu ɗorewa.

 Tarihi 

 Asalin nazarin dorewa 
Ka'idodin dorewa na farko sun fito ne don mayar da martani ga yawan amfani da albarkatu a lokacin juyin juya halin masana'antu, lokacin da ba a tsara hakar kwal, mai, da baƙin ƙarfe ba ya haifar da lalacewar muhalli. Kungiyoyin kiyayewa irin su National Audubon Society (wanda aka kafa a 1886) da Sierra Club (wanda aka gina a 1892) suna da niyyar kare namun daji da wuraren daji, kuma Dokar Lacey ta 1900 ta zama dokar kare namun daji ta farko a Amurka.

A farkon karni na ashirin, masu ba da shawara ciki har da Gene Stratton-Porter sun inganta adanawa, kuma ci gaban kimiyya na George Washington Carver da Marie Curie sun rinjayi ayyukan da suka dace a aikin gona da makamashi. Shugaba Theodore Roosevelt ya kafa wuraren shakatawa da wuraren ajiya da yawa, yana kare sama da kadada miliyan 230 da kuma wayar da kan jama'a game da kiyayewa.

 Ci gaban filin 
Taron Duniya na Majalisar Dinkin Duniya na 1992 a Rio ya haifar da Yarjejeniyar Tsarin Majalisar Dinkinobho kan Canjin Yanayi, wanda ya sanar da manufofin rage fitarwa na Kyoto na 1997. Duk da yake Amurka ba ta tabbatar da Kyoto ba kuma wasu kasashe sun kasa cika alkawura, waɗannan yarjejeniyoyin sun kafa tsarin hadin gwiwar duniya. A cikin 2015, Majalisar Dinkin Duniya ta amince da manufofi goma sha bakwai na ci gaba mai ɗorewa tare da manufofinai don 2030.

Masu bincike a ƙarshen ƙarni na ashirin da farkon ƙarni na ɗari ɗaya sun ba da shawarar cewa kimantawa na ɗorewa ya haɗa da tattalin arziki, muhalli, zamantakewa, da girman ma'aikata; la'akari da hangen nesa na dogon lokaci da kariya; shiga masu ruwa da tsaki; kuma magance daidaito tsakanin tsararraki.

 Manazarta