"The most widely read
Geothermal greenhouse
publication globally!"

• Sub-zero weather 
• Lush Citrus groves 
• Free heat since 1992


Photo credit: Chris Amundson

Green Cube Research Institute

Copyright © 2010-2023 Russ Finch, Barry Naef and the GreenCube Research Institute
Photo credit: Chris Amundson 
Co-authored and compiled by Barry Naef
Legally authorized publication by Russ Finch and Barry Naef since 2010

Graphics copyright GreenCube staff
Website managed by GreenCube Research Institute

GreenCube Research Institute, div., 
Green Quest Holdings