There is a lot of stuff one hears about food, sustainability, environment, etc., and it is sometimes hard to figure out what is true and what is not, what is based on science and what is emotion-based mythology.
For instance, some things I have heard over the years and have no means to evaluate if they are even close to plausible:
Claim #1: if we used every square inch of arable or potentially arable land, clearing the rainforest, turning deserts into fields, removing cities, malls and highways, killing all the animals, destroying all natural ecosystems, moving all humans to the Moon and planting all of the Earth’s landmass (except, perhaps Antarctica and Mt.Everest), there would still not be enough grain, fruits and vegetables to feed the entire current human population. True or False? Source?
Claim #2: if we used all the available technology to maximize the production of fish, shellfish, sea-weed, etc., the entire production on the oceans would still not be able to feed the entire current human population. True or False? Source?
Claim #3: if all of the suitable (and unsuitable but convertable, e.g,. cities, deserts) land was converted into small farms where chickens really freely roam and peck around the yard, there would not be enough chicken meat to feed the entire current human population. True or False? Source?
I guess if any or all of those are even close to true, the idea is that we have to trade-off and compromise: we cannot eat just plants, or just seafood, or just free-range chicken, but have to combine all (plus farm-raised animals of several species raised as humanely as possible, plus a little bit of game meat) of these in some way that can feed all of us without destroying the environment.
So, anyone know any answers, or at even educated guesses as to the veracity of any of the three above claims?
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