They also have limited options to zone land for high-density construction, due in part to grassroots opposition to existing residential neighborhoods.
Businessmen and investors are needed, for instance, to develop the 150, 000 hectares (370, 000 acres) of canal-zone land that have just been handed over by the United States.
The core area of Achanakmar-Amarkantak consists of the protected forest land while the buffer zone and the transition area are characterised by forests, agricultural and rehabilitated land and small suburban clusters.
The BBC's Lucy Williamson in Seoul says that about a million soldiers and a million land mines line the Demilitarised Zone, and only a handful of people have crossed from North to South by land in the past few years.
Gloucestershire Against Badger Shooting is asking the parties contesting the county council election in May to make council land a no-cull zone.
As soon as a helicopter goes beyond the 80-mile zone covered by land-based radar, its signal is picked up by the offshore platforms, with the data then returned to the airport.
For years, the 1, 000-acre stretch of undeveloped land, bordering on an industrial zone, was of little interest to anyone.
Around one-fifth of the world's land area lies within the permafrost zone.
Chile's dry summer climate in the central zone, where rich land is watered by the melting Andean snows, is comparable to the best of California or New Zealand.
It has also leased a 12, 000-acre land area to Chinese developers for a zone in Gwadar Port in Baluchistan Province, near the entrance to the Gulf of Oman.
Daily was about to depart for China, where the government is using software she developed with others to help with its goal to zone 25% of the land for conservation purposes.
"Throughout the tsunami zone people's attachment to land stretches back thousands of years, " says Price.
"All this land right here, this is the hot zone, " said Kevin Shelley, 35, pointing to an unrecognizable heap of junk.
Jenin's much-hyped joint Palestinian-Israeli industrial zone is still a bare patch of land.
There is no way, no where we can land at the moment unless we find a new zone, which we are looking for.
Carriers can operate freely from international waters, while land-based aircraft cannot easily fly in a war zone unless a nearby country offers a base.
But the size of the zone would grow dramatically if the government eventually includes all land inside a circle encompassing the newly listed cities.
FORBES: Japan Nuclear Update: Evacuation Zone Expands, New Photos of Tsunami Hitting Plant
To the Westerner, it can seem as if there are two contrary Japans one a slow, peaceful land of Shinto shrines and tea ceremonies, the other a jangling zone of automation, neon signs, and bullet trains packed with commuters.
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