June 14-15, 2025, 9am - 4pm

This workshop will be focused on laying the foundation for a 500 sq. ft greenhouse with scoria filled earth bags. You will learn the fundamentals of interlocking these bags together while creating a curved shape, pre-site excavation prep design, as well as the logistics and science behind earth battery design and implementation.

Email OESDirector@CrestoneEnergyFair.Org or call Goldie at 303-903-0968 with any questions.

Community Price: $50
Low-income pricing, supported by your peers (only 4 spots available)

Supporter Price: $90
Pay for yourself

Sustainer Price: $130
Support low-income participants & pay it forward

Price includes two days of instruction and lunch each day. Additional meals and lodging not included.