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Cal-Earth Workshop Deposits

Make your Workshop Deposit Online

Once you have submitted your application, a $200 deposit is required to reserve your space in the Cal-Earth Workshop of your choice. You may pay your deposit in the following ways. If you have any questions please contact us.

Make a Deposit Online

To make your Workshop deposit securely via PayPal, please click the "Pay Now" button.
NOTE: at PayPal, please add the name(s) of the Applicant(s) for whom you are making a deposit.

Weekend Workshop Payment

$250 USD

Long-Term Apprenticeship Deposit

$400 USD

Make a Deposit by Mail:

Send check or Money Order to:
P.O. Box 1977
Claremont, CA 91711

Standard Workshop Deposit

$200 USD

Permaculture Combined
Workshop Deposit

$400 USD

If for some reason you are unable to attend the workshop you registered for, your deposit may also be applied to another course that same year if you notify Cal-Earth at least two weeks before the start of a course.

If you wish to withdraw completely and cannot reschedule, $100 of your deposit will be refunded (to cover the cost of the study materials sent when you registered) if you notify Cal-Earth two weeks prior to the start of the workshop. Any cancellations within two weeks of the workshop will not be refunded. The full amount of your deposit will only be returned if for some reason you are not accepted to the program.

Building a Superadobe Structure Superadobe bags Window Interior - Superadobe bags Top Rings
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get up and
do some good
for someone now
the universe will surely
safekeep your act
everyone has left his
belongings and is gone
you too
for what good
you've done


i asked my mentor
in our happy hours
the ins and outs
of this life
and far beyond
he said
your salvation
is on the way
when you try to take
people's pain away

(translation: Nader Khalili)


Cal-Earth Inc. / Geltaftan Foundation | Hesperia, California | Your Privacy | Contact Us
Superadobe technology (sandbag tubes and barbed wire) was designed and developed by architect Nader Khalili and Cal-Earth Institute, and engineered by P.J. Vittore. Superadobe is a patented system (U.S. patent #5,934,027) freely put at the service of humanity and the environment. Licensing is required for commercial use.
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