au naturale

our meaty diet is laden with greenhouse gases, and trying to reduce them throws up some unpalatable choices.
It has prompted the Vegetarian Society to take out adverts in the paper declaring that our carnivorous tastes are a "silent but deadly" assault on our climate.
Cows and sheep are ruminants which means their digestion produces much methane, a gas with about 20 times the global warming power per puff than carbon dioxide.
Housing animals gives humans control. The diet can be precisely manipulated to maximise growth and minimise polluting gases.
Animals do not waste food energy on running about and keeping warm. Their manure can be collected and burned as a fuel, avoiding damaging evaporation and seepage into rivers.
In the future, it is hoped that sealed barns would have exhaust vents where the harmful gases could be captured before they entered the atmosphere.
"Organic poultry meat has about 45% more global warming potential than indoor-reared poultry meat.

How come au naturale (nude beach) is only good for people ?

I guess I shouldn't be to loud or soon cities will be housed in sealed mega buildings.

Wiki says NY city is 322 sq miles / 8.2 million people. Soooo if we built one building say 100 sq miles - 10 miles by 10 miles ? ? ? Go high enough we could cut it down to 8 by 8 miles ? ? ?

We could do that !