Here's a fun youtube video on just how much it'd take to survive on plant life alone. [1] Spoilers: Can't be done without a huge amount of vegetation. Algae,

Here's a fun youtube video on just how much it'd take to survive on plant life alone. [1] Spoilers: Can't be done without a huge amount of vegetation. Algae, on the other hand, can work, but it still takes a boat load of algae for just 1 person. [1] https://www.youtube.com/watch?v=xWRkzvcb9FQ https://www.youtube.com/watch?v=xWRkzvcb9FQ