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The Joggins Fossil Cliffs UNESCO World Heritage Site is a Carboniferous coastal section along the shores of the Cumberland Basin, an extension of Chignecto Bay, itself an arm of the Bay of Fundy, with excellent preservation of biota preserved in their environmental context. The Cliffs provide insight into the Late Carboniferous (Pennsylvanian) world, the most important interval in Earth's past for the formation of coal. The site has had a long history of scientific research and, while there have been well over 100 publications in over 150 years of research at the Cliffs, discoveries continue and critical questions remain. Recent research (post-1950) falls under one of three categories: general geology; paleobiology; paleoecology. It provides a context for future work at the site. While recent research has made large strides in our understanding of the Late Carboniferous, many questions remain to be studied and resolved, and interest in addressing these issues is clearly not waning. Within the World Heritage Site, we suggest that the uppermost formations (Springhill Mines and Ragged Reef), paleosols, floral and trace fossil taxonomy, and microevolutionary patterns are among the most promising areas for future study. [ABSTRACT FROM AUTHOR]