how do i apply government grants,good website ?

Image by ceresgreentech
Building the growbeds: water from the fish tanks will flow down through these beds to an overflow tank, and then then be pumped back to the fish tanks.

Photo: JAC PRICE PHOTOGRAPHY

Question by : how do i apply government grants,good website ?
I want to set up a,free homeless greenhouse using aquaponics.
free for all to eat and bring home

Feel free to answer in the comment section below