Human impact on ecosystems is a topic of increasing concern in today's world. As the global population continues to grow, so does our influence on the natural world. From deforestation and pollution to climate change and habitat destruction, humans have had a significant impact on the delicate balance of ecosystems around the globe. In this article, we will explore 20 surprising facts about how our actions have shaped the environment and affected the countless species that call these ecosystems home. From the positive to the negative, these facts will shed light on the extent to which humans have altered the natural world and the urgent need for sustainable practices to protect and restore these fragile ecosystems.