The Outcome Document of Rio+20 includes a number of references to Culture :

Para. 30: We recognize that many people, especially the poor, depend directly on ecosystems for their livelihoods, their economic, social and physical well-being, and their cultural heritage.

Para. 41: We acknowledge the natural and cultural diversity of the world and recognize that all cultures and civilizations can contribute to sustainable development.

Para. 58(j): Enhance the welfare of indigenous peoples and their communities, other local and traditional communities and ethnic minorities, recognizing and supporting their identity, culture and interests, and avoid endangering their cultural heritage, practices and traditional knowledge, preserving and respecting non-market approaches that contribute to the eradication of poverty.

Para. 197: We reaffirm the intrinsic value of biological diversity, as well as the ecological, genetic, social, economic, scientific, educational, cultural, recreational and aesthetic values of biological diversity.