Jagoranci a Kasuwanci da Muhalli, ko LEED, wani tsari ne na takardun gine-ginen da Cibiyar Gine-gine ta Amurka (USGBC) ta kafa, wata kungiya mai zaman kanta ( ba wata hukuma ta gwamnati ba) ce dake Washington, DC
Cibiyar ta USGBC ta ci gaba da aiwatar da takardun shaida na LEED don kyautata fahimtar muhalli tsakanin gine-gine da kuma ginin gine-ginen, da kuma ƙarfafa zane da gina gine-ginen makamashi, masu kare ruwa masu amfani da albarkatu ko albarkatun kore.
Shigar da takardun shaida na LEED yana amfani da tsarin tsarin don sanin ƙimar muhalli na ginin; akwai tsarin bambanci daban-daban na gidaje, gine-ginen kasuwanci, gyare-gyare na gida, makarantu, ci gaban yanki, da sauran ayyukan gina.
Ga mafi yawan ayyukan, akwai nau'ikan samin LEED guda hudu, dangane da nauyin da aka samu na aikin: ƙwara, azurfa, zinariya ko platinum. Bisa ga Hukumar ta USGBC, akwai matakai tara da Hukumar LEED ta auna:
- Shafukan da ke da alaƙa
- Ruwa na Ruwa
- Makamashi da iska
- Abubuwa da albarkatu
- Tsarin muhalli na ciki
- Yanayi da Lantarki
- Ilimi da ilimi
- Innovation a Design
- Matsayi na Yanki
Tun lokacin da aka fara, tsarin tsarin da sauran sassa na tsarin kula da LEED sun keta ta daga zargi daga gine-gine, masu ginin ginin, da masu kare muhalli. Mutane da yawa sunyi la'akari da darajarsa kamar kayan aikin sayar da kayan aiki wanda yayi amfani da shi azaman tsarin ginin gine-gine.
Sauran sun yi gunaguni cewa yana da matakai masu yawa don yin la'akari da matukar muhimmanci da kuma cewa tsari na takaddama yana da damuwa, maras kyau, kuma rashin amfani ga cimma daidaitattun gas. A sakamakon haka, AmurkaGBC ta ci gaba da daidaitawa da kuma gyara tsarin kula da LEED.