Cassandra is a palaeoecologist, with a background in botany and geography, specialising in the use of pollen and charcoal to reconstruct past environments. Her research interests include the action of climate change and fire dynamics on ecosystem variability, and human-landscape relationships on vegetation pattern, with emphasis on tropical savanna environments, mangrove and island flora. Cassandra has wide experience working across northern Australia, extending into southern lowland Papua New Guinea.