Science has made great progress in every sector of life, most importantly in the agriculture sector but a large number of people still don't have basic meals. There are plenty of reasons for this, and United Nations with several international organization can help to mitigate this situation.
First of all, there are places where getting access is tough. For example, in Africa, many tribes who usually live in a dangerous place, and most of them are illiterate which makes it difficult to communicate with them. They generally depend on nature to survive, and sometimes nature fails to provide foods for them. Besides, they are afraid of outsiders as they feel they may harm them, and if anyone tries to contact them, either they will attack or disappear. The local people might help to prevent this situation as they understand those people, and they can make them understand there are enormous food sources available.
Secondly, although farmers produce huge quantity of crops, the lack of proper distribution makes two-third of the world's population remain hungry. The wealthy nations get the advantage of their money, and can buy most of the crops which make the poorer country difficult to buy food. The possible solution is United nations may impose international laws, and make suitable punishment for those countries who try to add to their stock.
Thirdly and most important point is in most of the countries farmers aren't paying well by the government. The middlemen are mostly benefitted, and the farmers are getting poorer day by day. In this regard, the government can make an impact to save its country's agriculture.
However, it is a great problem for numerous nations, and the scarcity of food is increasing day by day. With the help of international organizations with local organizations, this problem can be solved. 
Science has made great progress in every sector of life, most  
importantly
 in the agriculture sector  
but
  a large number of
  people
  still
 don't have basic meals. There are  
plenty
 of reasons for this, and United  
Nations
 with several international organization can  
help
 to mitigate this situation. 
First of all
, there are places where getting access is tough.  
For example
, in Africa,  
many
 tribes who  
usually
  live
 in a  
dangerous
 place, and most of them are illiterate which  
makes
 it difficult to communicate with them. They  
generally
 depend on nature to survive, and  
sometimes
 nature fails to provide  
foods
 for them.  
Besides
, they are afraid of outsiders as they feel they may harm them, and if anyone tries to contact them, either they will attack or disappear. The local  
people
 might  
help
 to  
prevent
 this situation as they understand those  
people
, and they can  
make
 them understand there are enormous  
food
 sources available. 
Secondly
, although farmers produce huge quantity of crops, the lack of proper distribution  
makes
 two-third of the world's population remain hungry. The wealthy  
nations
  get
 the advantage of their money, and can  
buy
 most of the crops which  
make
 the poorer country difficult to  
buy
  food
. The possible solution  
is United
  nations
 may impose international laws, and  
make
 suitable punishment for those countries who try to  
add
 to their stock. 
Thirdly
 and most  
important
 point is in most of the countries farmers aren't paying well by the  
government
. The middlemen are  
mostly
  benefitted
, and the farmers are getting poorer day by day. In this regard, the  
government
 can  
make
 an impact to save its country's agriculture. 
However
, it is a great problem for numerous  
nations
, and the scarcity of  
food
 is increasing day by day. With the  
help
 of international organizations with local organizations, this problem can  
be solved
.