<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  Explain the impact of climate change on polar ice caps. Context: Climate change causes the melting of polar ice caps, which can lead to rising sea levels and endanger polar ecosystems. Answer: [/INST]It leads to the melting of polar ice caps, causing sea levels to rise and threatening polar ecosystems.</s>