As a Sustainability Section Head, your role would involve overseeing and managing all sustainability-related initiatives within an organization. Some common responsibilities might include:

1. Developing and implementing sustainable practices and policies.

2. Monitoring and reporting on environmental performance metrics.

3. Leading sustainability projects and initiatives.

4. Collaborating with stakeholders to promote sustainability efforts.

5. Ensuring compliance with environmental regulations.

6. Identifying opportunities for cost savings through sustainable practices.

7. Educating and training staff on sustainability practices.

8. Keeping abreast of industry trends and best practices in sustainability.

Overall, the Sustainability Section Head plays a key role in driving an organization's commitment to environmental sustainability and social responsibility.