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Earth Now Needs Agricultural Worlds

In their recent Living Planet Report for this year, the World Wildlife Federation is suggesting that this planet's resources won't be enough for us.


(Living Planet Report [pdf])

The Earth’s biocapacity is the amount of biologically productive area – cropland, pasture, forest, and fisheries – that is available to meet humanity’s needs.

Since the late 1980s, we have been in overshoot - the Ecological Footprint has exceeded the Earth’s biocapacity - by about 25%.

Effectively, the Earth’s regenerative capacity can no longer keep up with demand – people are turning resources into waste faster than nature can turn waste back into resources.

A moderate business-as-usual scenario, based on United Nations projections of slow, steady growth of economies and populations, suggests that by 2050, humanity’s demand on nature will be twice the biosphere’s productive capacity.

SF writers have worked out the answer - agricultural worlds like those envisioned by Isaac Asimov's 1951 classic Foundation:

Daily, fleets of ships in the tens of thousands brought the produce of twenty agricultural worlds to the dinner tables of Trantor....
(Read more about agricultural worlds)

Larry Niven came to the same conclusion in his awardwinning 1970 novel Ringworld. In the story, creatures called Puppeteers are herd animals; they number in the hundreds of billions on their homeworld. There is only one way to feed that many beings:

"We moved our world to a tenth of a light year's distance, keeping the primary only as an anchor. We needed the farming worlds and it would have been dangerous to let our world wander randomly through space. Otherwise we would not have needed a sun at all."

"We had brought suitable worlds from nearby systems, increasing our agricultural worlds to four, and setting them in a Kemplerer [sic] Rosette."
(Read more about the Kemplerer (Klemperer) Rosette.)

Of course, an alternative to finding and developing additional planets and their resources would be to more intelligently and conservatively use the resources of the one planet we have.

From WWF via io9.

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