diff --git a/README.md b/README.md
index 016cc5dc0..3ef0471fb 100644
--- a/README.md
+++ b/README.md
@@ -141,6 +141,7 @@ SIG-specific GitHub discussions.
 | Semantic Conventions: LLM | Every Wednesday alternating between 08:00 and 16:00 PT | [Google Doc](https://docs.google.com/document/d/1EKIeDgBGXQPGehUigIRLwAUpRGa7-1kXB736EaYuJ2M) | [#otel-llm-semconv-wg](https://cloud-native.slack.com/archives/C06KR7ARS3X) | [calendar-semconv](https://groups.google.com/a/opentelemetry.io/g/calendar-semconv) | [Alolita Sharma](https://github.com/alolita),<br/>[Liudmila Molkova](https://github.com/lmolkova) | [Alolita Sharma](https://github.com/alolita) | 
 | Semantic Conventions: CI/CD | Meets during Semantic Conventions: General | [Google Doc](https://docs.google.com/document/d/10xG7DNKWRhxNmFGt3yYd3980a9uwS8lMl2LvQL3VNK8) | [#otel-semconv-security](https://cloud-native.slack.com/archives/C0715DWUW7L) | [calendar-semconv](https://groups.google.com/a/opentelemetry.io/g/calendar-semconv) | [Josh Suereth](https://github.com/jsuereth),<br/>[Carlos Alberto](https://github.com/carlosalberto) | [Trask Stalnaker](https://github.com/trask) | 
 | Semantic Conventions: Security | Meets during Semantic Conventions: General | [Google Doc](https://docs.google.com/document/d/10xG7DNKWRhxNmFGt3yYd3980a9uwS8lMl2LvQL3VNK8) | [#otel-semconv-security](https://cloud-native.slack.com/archives/C0715DWUW7L) | [calendar-semconv](https://groups.google.com/a/opentelemetry.io/g/calendar-semconv) | [Josh Suereth](https://github.com/jsuereth) | [Trask Stalnaker](https://github.com/trask) | 
+| Semantic Conventions: Sustainability | Every Monday at 7:00 PT | [Google Doc](https://docs.google.com/document/d/1zeVZfuy8TKQuNdbAF8-dElWuzzTjzmTGuBwXf54HymM) | [#otel-sustainability-semconv-sig](https://cloud-native.slack.com/archives/C06RTM63YD6) | [calendar-semconv](https://groups.google.com/a/opentelemetry.io/g/calendar-semconv) | [Johannes Tax](https://github.com/pyohannes),<br/>[Daniel Gomez Blanco](https://github.com/danielgblanco) | [Daniel Gomez Blanco](https://github.com/danielgblanco) | 
 | Specification: Entities | Every other week on Thursday at 08:00 AM PT | [Google Doc](https://docs.google.com/document/d/15Yt9ss2_EhuFPqItPbk4vjfpeRDAQ5WCUVuY_kCeOAo) | [#otel-entities](https://cloud-native.slack.com/archives/C06QEG97W7L) | [calendar-entities](https://groups.google.com/a/opentelemetry.io/g/calendar-entities) | [Josh Suereth](https://github.com/jsuereth),<br/>[Tigran Najaryan](https://github.com/tigrannajaryan) | [Daniel Dyla](https://github.com/dyladan) | 
 | Agent Management | Every other week on Tuesday at 11:00 PT | [Google Doc](https://docs.google.com/document/d/19WA5-ex8rNFIBIyVb5VqMXfWNmUQwppGhN8zBeNG0f4) | [#otel-agentmanwg](https://cloud-native.slack.com/archives/C02J58HR58R) | [calendar-agent-mgmt](https://groups.google.com/a/opentelemetry.io/g/calendar-agent-mgmt) | [Tigran Najaryan](https://github.com/tigrannajaryan) | [Ted Young](https://github.com/tedsuo) | 
 | Prometheus Interoperability | Every other week on Wednesday at 08:00 PT | [Google Doc](https://docs.google.com/document/d/19bnXziPn2MZ9wO6684UoI4D-LCjGL5bTJkGhux29bx8) | [#otel-prometheus-wg](https://cloud-native.slack.com/archives/C01LSCJBXDZ) | [calendar-prometheus](https://groups.google.com/a/opentelemetry.io/g/calendar-prometheus) |  | [Alolita Sharma](https://github.com/alolita) | 
diff --git a/sigs.yml b/sigs.yml
index cadf095ae..a137f047f 100644
--- a/sigs.yml
+++ b/sigs.yml
@@ -201,6 +201,24 @@
     gcLiaison:
       - name: Trask Stalnaker
         github: trask
+  - name: 'Semantic Conventions: Sustainability'
+    meeting: Every Monday at 7:00 PT
+    notes:
+      type: gDoc
+      value: 1zeVZfuy8TKQuNdbAF8-dElWuzzTjzmTGuBwXf54HymM
+    chat:
+      - type: slack
+        name: '#otel-sustainability-semconv-sig'
+        id: C06RTM63YD6
+    invites: calendar-semconv
+    sponsors:
+      - name: Johannes Tax
+        github: pyohannes
+      - name: 'Daniel Gomez Blanco'
+        github: danielgblanco
+    gcLiaison:
+      - name: 'Daniel Gomez Blanco'
+        github: danielgblanco
   - name: 'Specification: Entities'
     meeting: Every other week on Thursday at 08:00 AM PT
     notes: