The term "representative concentration pathways" refers to what type of scenarios?

The term "representative concentration pathways" specifically refers to greenhouse gas emission scenarios. These pathways are used in climate modeling to project different levels of greenhouse gas concentrations in the atmosphere based on varying assumptions about socio-economic development, technology evolution, and policy decisions regarding emissions. Each pathway outlines how emissions could change over time, reflecting different potential futures in terms of energy production, land use, and climate policy initiatives.

This concept is crucial for understanding potential climate outcomes and the impact of different levels of greenhouse gases on global warming. By focusing on these specific emission scenarios, researchers can better assess the implications of various strategies for mitigating climate change, enabling more informed decision-making in climate policy. The emphasis on emissions helps frame the discussion around efforts to limit global temperatures and mitigate climate impacts, as these scenarios serve as a foundation for models predicting future climate conditions.