define a natural site

When almost all companies are baking some sort of "doing good" into their business models, how do you measure the impact of the innovations?

Sacred Natural Sites: Guidelines for Protected Area Managers - IUCN
IUCN BPG 16 Sacred Natural Sites inside front cover.ps . At the time of going to press a revised IUCN definition is under development but not finalized.
http://data.iucn.org/dbtw-wpd/edocs/PAG-016.pdf

What is the difference between natural and cultural world heritage ...
What is the difference between natural and cultural world heritage sites? . A Natural World Heritage Site is something occurring in nature that are natural .
http://wiki.answers.com/Q/What_is_the_difference_between_natural_and_cultural_world_heritage_sites



UNESCO World Heritage Centre - World Heritage List
Select by media, Sites with videos, Sites with photo gallery . These include 725 cultural , 183 natural and 28 mixed properties in 153 States . What is PACT ?
http://whc.unesco.org/en/list

Sacred Land Film Project » What Is a Sacred Site?
Apr 6, 2011 . Sacred Natural Sites: Guidelines for Protected Area Managers. The Sacred . The trouble lies with how both “sacred” and “site” are defined.
http://www.sacredland.org/home/resources/tools-for-action/protection-strategies-for-sacred-sites/what-is-a-sacred-site/