First can you convince someone to reduce their carbon footprint.
Second tell a story that engages the viewer by the juxtaposition of images you use.
Third the use use the principle of design ( contrast, balance, harmony, dominance, texture )
The last aspect is to use all you have learned about Photoshop to help you tell your story using After Effects.
Learn to Use
photoshop
Brush tool
Layer Mask
Blending
Image-Adjustment
after effects
Key Frame
composition
Effects
Time