Donate – Charity Powerpoint Template
https://elements.envato.com/donate-charity-powerpoint-template-NT44RMW
Free 
Farmus – Environment Google Slides Template
https://elements.envato.com/farmus-environment-google-slides-template-3KTCJWY
Free 
NGO – non-governmental organizations
https://elements.envato.com/ngo-non-governmental-organizations-AP6DXF3
Free