A cinematic, photorealistic environmental scene showing two contrasting halves of the same landscape. On the left, a healthy African tropical ecosystem with lush green vegetation, a clean river, birds, trees and thriving wildlife. On the right, the same landscape severely affected by human activities: plastic waste, polluted brown water, deforestation, smoke from industrial activity and degraded soil. A subtle transition between the two sides, dramatic atmospheric lighting, realistic environmental science documentary photography, highly detailed textures, realistic African landscape, powerful visual storytelling, no people, no text, no logos, vertical 9:16 composition, cinematic depth, ultra realistic, suitable for an educational environmental social media video.