What is the primary function of the IPCC?

• A. Negotiate international treaties
• B. Produce a climate change report each year
• C. Monitor ozone-depleting substances
• D. Develop urban planning standards

Answer: (B)

The main idea here is understanding what the IPCC does: it gathers and reviews the best available scientific work on climate change and creates comprehensive assessments that summarize what we know about its causes, impacts, and possible response options for policymakers. These reports are developed to inform international discussions and decision-making, drawing on a wide range of studies and communicating confidence levels and scenario-based futures.

The IPCC does not negotiate treaties, track ozone-depleting substances, or set urban planning standards. Its purpose is to synthesize science and present it in a way that helps governments and institutions understand the current state of climate knowledge and what actions might be effective. Producing a climate change report is the closest description of its primary output, reflecting its role as a source of authoritative, policy-relevant climate science assessments.