Death
Poverty
Idiocy
Corruption
Injustice

mosquito

AIDS

Malaria

etc.

Ignorance 

Falsehood 

Corruption 

Betrayal

Pride

Pride

Arrogance

Ego

Greed

Falsehood

What are the 5 things that you want to be wiped out/eliminated/abolished etc. them from our (/the) world to make it a better world?

I have deleted the word "delete" :)