It's difficult to say definitively which key goal of environmental science *most* people support, as there's a wide range of opinions and priorities. However, a strong candidate for the most widely supported goal is the sustainable use and conservation of natural resources.

Here's why:

* Broad appeal: This goal resonates with a wide range of people, regardless of their specific environmental views. It encompasses the idea of using resources in a way that meets current needs without compromising the ability of future generations to meet their own needs.

* Practical relevance: Sustainable resource management directly addresses pressing issues like climate change, biodiversity loss, and pollution, all of which impact people's lives in tangible ways.

* Shared responsibility: The goal emphasizes the collective responsibility we all have to protect the environment and ensures future generations inherit a healthy planet.

While this goal is broadly accepted, there can be differing opinions on how to achieve sustainability. Some prioritize conservation and minimizing human impact, while others focus on technological solutions for resource management.

Ultimately, the specific methods and strategies for achieving sustainable resource use are subject to ongoing debate and are likely to vary based on local contexts and cultural values.