题目：The sea level rise is mainly caused by______ triggered by unchecked greenhouse gas emissions.
喵查答案：global warmingglobal warming 见The Rise of Sea Level这一部分。“Based on the IPCC’s present forecasts，global warming triggered by unchecked greenhouse gas emissions will cause a sea level rise of between 20 centimeters and almost 1 meter by the end of the century．”
