Guests can sleep in mud houses and learn about permaculture, sustainable building and geodesic domes on a four-week to four-month English-language "Green Apprenticeship".

BBC: Kick back on a kibbutz

Everyone and every business will be in geodesic domes on stilts that are impervious to water so that from the air the new part of town will look like bubbles.

CNN: Your e-mails:?'City of the future'