| Husefjellet | Østfold, Norway | 4 | 1 | 4 | 2020-09-14 | |
| Hustoft gnr. 150/4 | Rogaland, Norway | 18 | 2 | 2 | 2024-05-27 | |
| Høgehøyen | Vestland, Norway | 1 | 1 | 1 | 2024-05-27 | |
| Høgåsen | Vestland, Norway | 1 | 1 | 1 | 2020-09-25 | |
| Innfjorden Friskole Sa | Møre og Romsdal, Norway | 1 | 1 | 0 | 2015-06-09 | |
| jønsberg landbruksskole | Innlandet, Norway | 1 | 1 | 0 | 2015-04-30 | |
| Jørpeland ungdomsskole | Rogaland, Norway | 1 | 1 | 0 | 2015-06-03 | |
| Jåstad | Vestland, Norway | 1 | 1 | 0 | 2008-06-01 | |
| Kallagbakken | Rogaland, Norway | 1 | 1 | 1 | 2021-09-15 | |
| Kirkebygden barne- og ungdomsskole | Akershus, Norway | 2 | 1 | 0 | 2022-09-15 | |
| Kistevelta | Oslo, Norway | 1 | 1 | 1 | 2020-09-11 | |
| Kjeldevatnet | Vestland, Norway | 1 | 1 | 0 | 2023-09-24 | |
| Kjelling | Nordland, Norway | 2 | 2 | 0 | 2011-04-26 | |
| Kjørebonn | Telemark, Norway | 1 | 1 | 1 | 2024-06-09 | |
| Klaus Hansens vei | Vestland, Norway | 5 | 1 | 2 | 2017-05-30 | |
| Klevstrand | Telemark, Norway | 1 | 1 | 0 | 2023-06-08 | |
| Klokkerholmen | Telemark, Norway | 1 | 1 | 0 | 2016-06-10 | |
| Klovsteinsbekken | Rogaland, Norway | 2 | 1 | 2 | 2020-09-29 | |
| Klovsteinsbekken | Rogaland, Norway | 1 | 1 | 1 | 2020-09-12 | |
| Kløfta | Akershus, Norway | 1 | 1 | 2 | 2016-06-04 | |
| Knarrdalstrand | Telemark, Norway | 1 | 1 | 0 | 2022-06-16 | |
| Knarvik | Vestland, Norway | 1 | 1 | 1 | 2021-09-28 | |
| Knipleparken og området rundt | Østfold, Norway | 1 | 1 | 1 | 2015-06-04 | |
| Kolsås | Akershus, Norway | 9 | 1 | 9 | 2020-09-25 | |
| Kon Tikivegen | Rogaland, Norway | 1 | 1 | 1 | 2020-09-15 | |
| Kongsvinger ungdomsskole | Innlandet, Norway | 7 | 1 | 1 | 2020-06-16 | |
| Korsegarden | Østfold, Norway | 1 | 1 | 1 | 2020-09-21 | |
| Kronegården | Vestland, Norway | 1 | 1 | 0 | 2015-05-26 | |
| Kronstad | Vestland, Norway | 9 | 1 | 9 | 2015-04-23 | |
| Kronstad | Vestland, Norway | 1 | 1 | 1 | 2020-09-15 | |
| Krågevigstien | Agder, Norway | 1 | 1 | 1 | 2020-09-01 | |
| Kråkerøy, Lunde | Østfold, Norway | 10 | 1 | 0 | 2019-09-22 | |
| Kvernahaugen | Rogaland, Norway | 1 | 1 | 1 | 2020-09-17 | |
| Kvernhushaugane | Vestland, Norway | 2 | 1 | 2 | 2021-09-29 | |
| Kvitsøy | Rogaland, Norway | 1 | 1 | 1 | 2015-06-10 | |
| labråten 15 | Østfold, Norway | 1 | 1 | 0 | 2019-09-18 | |
| Lambertseterplatået | Oslo, Norway | 1 | 1 | 2 | 2016-06-10 | |
| Lamøya | Vestfold, Norway | 1 | 1 | 0 | 1997-09-23 | |
| Langesund sentrum | Telemark, Norway | 1 | 1 | 0 | 2019-06-01 | |
| Langhus | Akershus, Norway | 1 | 1 | 1 | 2024-06-05 | |
| Langmyrdalen | Oslo, Norway | 1 | 1 | 1 | 2020-09-10 | |
| Leiv Erikssons gt. | Rogaland, Norway | 1 | 1 | 1 | 2020-09-20 | |
| Lekneset | Vestland, Norway | 1 | 1 | 1 | 2015-05-30 | |
| Liaset 3 Lauvskog | Møre og Romsdal, Norway | 1 | 1 | 0 | 2014-09-11 | |
| Liland | Nordland, Norway | 1 | 1 | 0 | 2003-09-30 | |
| Lilleborggata | Oslo, Norway | 2 | 1 | 2 | 2020-09-16 | |
| Lisleby | Østfold, Norway | 1 | 1 | 0 | 2020-06-04 | |
| Litla Myklaberget | Rogaland, Norway | 1 | 1 | 0 | 2015-09-30 | |
| Litlasund | Rogaland, Norway | 1 | 1 | 1 | 2020-10-01 | |
| Litlegjerde | Møre og Romsdal, Norway | 1 | 1 | 0 | 2002-06-04 | |
Sustain.no is provided by the Norwegian Centre for Science Education