diff --git a/.claude/hooks/pre-compact-snapshot.sh b/.claude/hooks/pre-compact-snapshot.sh
index 7452600..edfe64d 100755
--- a/.claude/hooks/pre-compact-snapshot.sh
+++ b/.claude/hooks/pre-compact-snapshot.sh
@@ -96,10 +96,11 @@ print(f'{turns}\t{input_tokens}\t{cache_creation}\t{cache_read}\t{output_tokens}
   fi
 
   # --- Cost estimates ---
-  # Energy: 0.003 Wh per 1K input tokens, 0.015 Wh per 1K output tokens, PUE 1.2
+  # Energy: 0.1 Wh per 1K input tokens, 0.5 Wh per 1K output tokens, PUE 1.2
+  # Calibrated against Google (Patterson et al., Aug 2025) and Jegham et al. (May 2025)
   # Using integer arithmetic in centiwatt-hours to avoid bc dependency
-  INPUT_CWH=$(( CUMULATIVE_INPUT * 3 / 10000 ))   # 0.003 Wh/1K = 3 cWh/10K
-  OUTPUT_CWH=$(( OUTPUT_TOKENS * 15 / 10000 ))     # 0.015 Wh/1K = 15 cWh/10K
+  INPUT_CWH=$(( CUMULATIVE_INPUT * 100 / 10000 ))   # 0.1 Wh/1K = 100 cWh/10K
+  OUTPUT_CWH=$(( OUTPUT_TOKENS * 500 / 10000 ))      # 0.5 Wh/1K = 500 cWh/10K
   ENERGY_CWH=$(( (INPUT_CWH + OUTPUT_CWH) * 12 / 10 ))  # PUE 1.2
   ENERGY_WH=$(( ENERGY_CWH / 100 ))
 
diff --git a/impact-toolkit/README.md b/impact-toolkit/README.md
index 4fa343d..ff3e16b 100644
--- a/impact-toolkit/README.md
+++ b/impact-toolkit/README.md
@@ -90,4 +90,4 @@ impact-toolkit/
 
 ## License
 
-MIT. See LICENSE in the repository root.
+CC0 1.0 Universal (public domain). See LICENSE in the repository root.
diff --git a/impact-toolkit/hooks/pre-compact-snapshot.sh b/impact-toolkit/hooks/pre-compact-snapshot.sh
index 7452600..edfe64d 100755
--- a/impact-toolkit/hooks/pre-compact-snapshot.sh
+++ b/impact-toolkit/hooks/pre-compact-snapshot.sh
@@ -96,10 +96,11 @@ print(f'{turns}\t{input_tokens}\t{cache_creation}\t{cache_read}\t{output_tokens}
   fi
 
   # --- Cost estimates ---
-  # Energy: 0.003 Wh per 1K input tokens, 0.015 Wh per 1K output tokens, PUE 1.2
+  # Energy: 0.1 Wh per 1K input tokens, 0.5 Wh per 1K output tokens, PUE 1.2
+  # Calibrated against Google (Patterson et al., Aug 2025) and Jegham et al. (May 2025)
   # Using integer arithmetic in centiwatt-hours to avoid bc dependency
-  INPUT_CWH=$(( CUMULATIVE_INPUT * 3 / 10000 ))   # 0.003 Wh/1K = 3 cWh/10K
-  OUTPUT_CWH=$(( OUTPUT_TOKENS * 15 / 10000 ))     # 0.015 Wh/1K = 15 cWh/10K
+  INPUT_CWH=$(( CUMULATIVE_INPUT * 100 / 10000 ))   # 0.1 Wh/1K = 100 cWh/10K
+  OUTPUT_CWH=$(( OUTPUT_TOKENS * 500 / 10000 ))      # 0.5 Wh/1K = 500 cWh/10K
   ENERGY_CWH=$(( (INPUT_CWH + OUTPUT_CWH) * 12 / 10 ))  # PUE 1.2
   ENERGY_WH=$(( ENERGY_CWH / 100 ))
 
diff --git a/tasks/README.md b/tasks/README.md
index ed035d5..ef9227d 100644
--- a/tasks/README.md
+++ b/tasks/README.md
@@ -41,18 +41,20 @@ separately as handoffs.
 
 **Link to share**: https://llm-impact.org
 
-**Suggested framing**: "I built a framework for estimating the full cost
-of AI conversations — not just energy and CO2, but deskilling, data
-pollution, power concentration, and 17 other categories. It's CC0 (public
-domain) and I'm looking for corrections to the estimates."
+**Suggested framing**: "Most AI impact tools stop at carbon. I built a
+framework covering 20+ cost categories — including cognitive deskilling,
+data pollution, algorithmic monoculture, and power concentration —
+calibrated against Google's 2025 per-query data. CC0 (public domain),
+looking for corrections to the estimates."
 
 **Where to post** (in rough order of relevance):
 
 1. **Hacker News** — Submit as `https://llm-impact.org`. Best time:
    weekday mornings US Eastern. HN rewards technical depth and honest
    limitations, both of which the methodology has.
-2. **Reddit r/MachineLearning** — Post as a [Project] thread. Emphasize
-   the methodology's breadth beyond just carbon accounting.
+2. **Reddit r/MachineLearning** — Post as a [Project] thread. Lead
+   with "beyond carbon" — what makes this different from CodeCarbon
+   or EcoLogits.
 3. **Reddit r/sustainability** — Frame around the environmental costs.
    Lead with the numbers (100-250 Wh, 30-80g CO2 per conversation).
 4. **Mastodon** — Post on your account and tag #AIethics #sustainability