A function that extract Global Human Settlement Layer data from 1975 to 2030 each 5 years.
     
    
    Usage
    get_ghsl(region, scale = 100)
 
    
    Arguments
    - region
- region and object sf. 
- scale
- A nominal scale in meters of the projection to work in. 
 
    
    Value
    
a tibble object with the new variable in km².