fix(efc): lb pt4

Author: ldecarvalho-doc

pages/environmental-footprint/additional-content/load-balancer-env-footprint.mdx

@@ -28,41 +28,40 @@ The total estimated environmental impact of the Load Balancer product integrates
 The Load Balancer product reuses the same environmental footprint model as [Instances](/environmental-footprint/additional-content/instances-env-footprint/), with impact allocated based on the underlying instance usage. All variables (e.g., server lifespan, energy mix, PUE) follow the definitions established in the [Environmental Footprint calculation breakdown](/environmental-footprint/additional-content/environmental-footprint-calculator/#definition-of-the-variables).
 
 Specifically:
-- **Datacenter and technical environment**: Calculated as defined in the mother page, allocated according to the underlying instances [environmental-footprint-calculator.mdx].
-- **Network impact**: Allocated proportionally based on the underlying instances’ network usage [environmental-footprint-calculator.mdx].
-- **Customer servers**: Impact is calculated using the same method as for Bare Metal servers, but allocated according to instance usage [environmental-footprint-calculator.mdx].
-- **Cross-IT equipment & stock**: The base calculation follows the general methodology, with an **additional allocation** for equipment dedicated to the Load Balancer control plane.
+- **Datacenter and technical environment**: are calculated as defined in the global calculation methodology, and allocated according to the underlying instances.
+- **Network impact**: Allocated proportionally based on the underlying instances’ network usage.
+- **Customer servers**: Impact is calculated using the same method as for Bare Metal servers, but allocated according to instance usage.
+- **Cross-IT equipment & stock**: The base calculation follows the global methodology, with an **additional allocation** for equipment dedicated to the Load Balancer control plane.
 
-> The manufacturing and energy impacts are first computed at the instance level, then attributed to Load Balancer usage based on resource consumption share.
+<Message type="note">
+The manufacturing and energy impacts are first computed at the Instance level, then attributed to Load Balancer usage based on resource consumption share.
+</Message>
 
 ### Usage Impact
 
-The energy consumption of Load Balancers is derived from the underlying instances. We use CPU usage as a proxy, applying [Boavizta’s non-linear consumption profiles](https://doc.api.boavizta.org/Reference/routes/#consumption-profile-routes) to estimate power draw.
-
-For operational impact:
-- **Energy mix**: French grid emission factor: 0.065 kgCO2e/kWh
-- **PUE**: 1.16 (average across Scaleway data centers)
+- The energy consumption of Load Balancers is derived from the underlying instances. We use CPU usage as a proxy, applying [Boavizta’s consumption profiles](https://doc.api.boavizta.org/Reference/routes/#consumption-profile-routes) to estimate power draw.
+- The operational environmental impact of a service depends on two key factors: the **energy mix** of the host country and the datacenter's **PUE**. Refer to the [Calculation reference values](/environmental-footprint/additional-content/calculation-values-reference) documentation page to find the values corresponding to your region.
 
 #### Calculation Example
 
-Assume a Load Balancer runs on an underlying instance with:
-- Power consumption: 110 W (0.110 kW)
-- Usage duration: 100 hours
-- Allocation ratio (based on instance share): `lb_ratio = 0.5`
+Assume a Load Balancer runs on an underlying Instance with:
+- **Power consumption:** 110 W (0.110 kW)
+- **Usage duration:** 100 hours
+- **Allocation ratio** (based on instance share): `lb_ratio = 0.5`
 
 **Energy Usage Impact**:
 ```math
-UsageFootprint = 0.110 \times 100 \times 0.065 \times 1.16 = 0.825\ kgCO2e
+UsageFootprint = 0.110 * 100 * 0.065 * 1.16 = 0.825 kgCO2e
 ```
 
 **Manufacturing Impact** (6-year lifespan = 52,560 hours, manufacturing impact = 850 kgCO2e):
 ```math
-ManufacturingImpact = (100 / 52560) \times 850 \times 0.5 = 0.81\ kgCO2e
+ManufacturingImpact = (100 / 52560) * 850 * 0.5 = 0.81 kgCO2e
 ```
 
-Total footprint: **1.635 kgCO2e** for 100 hours of usage.
+This means that the total footprint for 100 hours of Load Balancer usage, in this case, is **1.635 kgCO2e**
 
 <Message type="important">
-Water consumption is derived from the same energy usage value, multiplied by the [Water Usage Effectiveness (WUE)](/environmental-footprint/concepts/#water-usage-effectiveness) of the data center. This applies to zones where WUE data is available (FR-PAR-1, FR-PAR-2, FR-PAR-3, NL-AMS-1) [environmental-footprint-calculator.mdx].
+Water consumption is derived from the same energy usage value, multiplied by the [Water Usage Effectiveness (WUE)](/environmental-footprint/concepts/#water-usage-effectiveness) of the datacenter. This applies to zones where WUE data is available (FR-PAR-1, FR-PAR-2, FR-PAR-3, NL-AMS-1).
 </Message>