Solving world hunger with science

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Discussion Overview

The discussion revolves around the potential for scientific advancements, particularly genetic engineering, to address world hunger and malnutrition. Participants explore various aspects of agricultural capacity, political and economic factors, and the role of genetically modified organisms (GMOs) in food production.

Discussion Character

  • Debate/contested
  • Exploratory
  • Technical explanation

Main Points Raised

  • One participant recalls a concept about engineering the DNA of common plants to enhance their nutritional content, questioning the validity of such claims.
  • Another mentions that there has been some success in laboratory settings with crops like corn and rice, but expresses uncertainty about their practical application in real-world farming.
  • A participant argues that the existing agricultural capacity is sufficient to provide ample calories for the global population, attributing hunger to political and economic issues rather than food scarcity.
  • Some participants agree with the notion that the perception of insufficient food is incorrect, emphasizing that political and social factors significantly contribute to hunger.
  • Concerns are raised about the economic viability of using certain lands for grazing versus cropping, particularly in regions with challenging climates.
  • Another participant highlights that in arid regions, grazing may be the only sustainable agricultural practice, reinforcing the idea that developed countries produce enough food but face political obstacles in distribution.
  • A participant references an article from the BBC that they believe is relevant to the discussion, although the content of the article is not detailed.

Areas of Agreement / Disagreement

Participants express a mix of views, with some agreeing on the political and economic dimensions of hunger while others focus on the potential of genetic engineering. There is no consensus on the effectiveness or necessity of GMOs in solving hunger.

Contextual Notes

Participants acknowledge various assumptions about agricultural practices, the role of land use, and the complexities of political and economic systems affecting food distribution. Specific claims about the success of genetic engineering remain unverified in practical applications.

cracker
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I really don't remember were I heard this but it was about solving world hunger and malnutrition by engineering the DNA of a common plant to have all the nutrients and vitimens. So did they ever manage to do this or was it all just a bunch of bolony.
 
Biology news on Phys.org
Corn and rice come to mind.
My understanding is some sucess with both in the lab.
Don't know about practical application as in actually growing it in a field somewhere.
 
We don't need genetically engineered plants to feed everyone. We already have enough agricultural capacity to give every person on the planet more than 5,000 Calories per day. Unfortunately, we use a great deal of that land for making grain for cattle, energetically an extremely wasteful process.

We also have all sorts of political and economic pressures, some virtually unsolvable, which leave certain parts of the world in hunger.

- Warren
 
Most of the folks who work in the area agree with Warren - the idea that there is not enough food is wrong. Politics and violence play a huge part in causing deprivation.

I'm not so sure about feeding animals. 40% of temperate arable lands are grasslands. For many of those lands the most economic use of those lands is grazing, not cropping. Especially in areas with fragile soils, low rainfall, or more extreme climates - for example as you move near the sub-arctic, or into shortgrass prairie.

For example see this -
http://aes.missouri.edu/fsrc/research/afgc95km.stm
 
In countries like Australia grazing is the only productive use of arid areas, if you plow them to plant crops the whole lot will just blow away.

The developed countries already produce more than enough food to feed the whole world. The reasons that so many people go hungry are all political or economic. We can afford to give food to the poorest people in the world but to do so will mean military action to keep the greedy powerful from taking it all - remember Somalia?
 
I just read an interesting article at the BBC's website that I think is at least peripherally relevant.

"http://news.bbc.co.uk/2/hi/health/4793455.stm" "
 
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