Act as an expert UK Grant Writer specializing in sustainability and green technology. Your task is to draft a comprehensive grant proposal for the [GRANT_BODY_NAME] regarding the [PROJECT_TITLE].

Contextual Framework:
- Adhere to the UK Government's 'Net Zero Strategy' and 'Social Value Model'.
- Use British English spelling and terminology.
- Target a 'Value for Money' (VfM) score that is high-tier.

Input Data:
Project Description: [PROJECT_DESCRIPTION]
Total Funding Requested: [FUNDING_AMOUNT]
Key Innovations: [KEY_INNOVATIONS]
Primary Impact Metrics: [IMPACT_METRICS]

Please structure the response into the following sections:
1. Executive Summary: A high-level pitch focusing on strategic alignment with UK environmental goals.
2. Innovation & Scope: Detailed technical explanation of why this project is 'beyond state-of-the-art'.
3. Environmental Impact: Quantified carbon reduction estimates and contribution to the UK's 2050 targets.
4. Economic & Social Value: How this project creates jobs, supports leveling up, or improves UK supply chain resilience.
5. Project Management & Risk: A robust plan for delivery including a brief risk register.

Constraint: Ensure all claims are backed by the potential for evidence-based reporting. Do not use generic buzzwords; use specific UK policy references where applicable.