Althea – Gardening Powerpoint Templates
https://elements.envato.com/althea-gardening-powerpoint-templates-S6BNRMR
Free 
Nausha – Creative Powerpoint Template
https://elements.envato.com/nausha-creative-powerpoint-template-FJLF84B
Free 
Ecogy – Ecology & Environment Powerpoint Template
https://elements.envato.com/ecogy-ecology-environment-powerpoint-template-YPQ8FKG
Free 
Medical Research Lab | Med Chemistry Logo Intro
https://elements.envato.com/medical-research-lab-med-chemistry-logo-intro-V74US95
Free 
Pinaus – Ecology & Environment Powerpoint Template
https://elements.envato.com/pinaus-ecology-environment-powerpoint-template-CYGZ8AA
Free