The Soetendorp Institute endorsed the petition "Rights at Risk at the United Nations" that criticizes the attempts of some western governments to weaken or outright elimiate from the Rio + 20 outcome document all references to human rights and agreed upon equity principles such as the precautionary principle, the polluter pays principle, and the common but differentiated responsibilities. 

Please find the full text of the open letter that has been signed by over 1.000 organizations here.