Unit 4 Unit Objectives Environment 1.Professional Knowledge Get acquainted with some important concepts about environment e.g.environmentalism,ecology, biodiversity,black carbon,ecosystem,environmental science,ecosphere,carbon dioxide,etc. 2.Reading ● Summarize the main ideas of a text and identify essential supporting points; Understand difficult sentences (e.g.,sentences with abstract meaning or ambiguous reference); Analyze complex or controversial issues critically (e.g., sustainable development of environment,climate change,economics and ecologyUnit Objectives 1. Professional Knowledge • Get acquainted with some important concepts about environment ( e.g. environmentalism, ecology, biodiversity, black carbon, ecosystem, environmental science, ecosphere, carbon dioxide, etc. ) 2. Reading • Summarize the main ideas of a text and identify essential supporting points; • Understand difficult sentences (e.g., sentences with abstract meaning or ambiguous reference); • Analyze complex or controversial issues critically (e.g., sustainable development of environment, climate change, economics and ecology ) Unit 4 Environment