[INST] Summarize the following paragraph in a Tweet./nHumans are often seen as the most powerful species on earth, but many don't consider the true impact that they have on the world. Human actions have caused deforestation, pollution, and have disrupted the natural balance of ecosystems. [/INST]  ###Response: Humans have the greatest impact on earth, causing deforestation, pollution & disruption of ecosystems' natural balance. #environment #conservation