Possible Clues:

• One into talking exchanges vs one into making no changes
• Green
• Investor's action perturbed eco-warrior
• Works in the protection business with greenkeeper?
• Protector of environment misrepresented investor's action
• A greenkeeper?
• Friend of the Earth in endless jam -- ain't it so awful!
• One actively interested in preservation of wildlife and natural resources
• Green satin cover is not to be changed
• One who preserves and repairs significant artefacts