Which New Zealand law focuses on protecting the natural resources?

The Resource Management Act is the correct choice because it is specifically designed to promote the sustainable management of natural and physical resources in New Zealand. This law focuses on the use, development, and protection of resources such as air, water, soil, and ecosystems. It aims to ensure that resources are managed in a way that meets the needs of both present and future generations, balancing environmental, social, and economic considerations.

The act provides a framework for regional and district councils to create policies and plans that govern how land and resources are used, helping to mitigate environmental impacts and promote conservation. By establishing guidelines and regulations, the Resource Management Act plays a crucial role in ensuring that natural resources are used responsibly and sustainably, making it fundamental to New Zealand's environmental policy.

The other options relate to different areas of law: the Privacy Act protects personal information, the Employment Relations Act governs employment relationships, and the Resource Consent Act pertains to the process by which individuals or businesses obtain permission for their use of resources, but it operates under the framework established by the Resource Management Act.