In the third part of the article, the main historical events in dates, facts and personalities of the formation and development of the Department of Earth Sciences of the National Academy of Sciences of Ukraine from the time Ukraine gained independence in 1991 and until now are considered in chronological order. The most important achievements of the scientists of the Department of Earth Sciences of the National Academy of Sciences of Ukraine, who were awarded the State Prizes of Ukraine in the field of science and technology, as well as the prizes of the National Academy of Sciences of Ukraine named after outstanding scientists of Ukraine – V.I. Vernadsky, P.A. Tutkovsky, S.I. Subbotin. In the early 1990s, in the conditions of complex social transformation, there was a significant quantitative reduction in personnel potential, but the Academy of Sciences of Ukraine managed to get out of the crisis. At the expense of internal reserves, the network of its institutions and scientific units was reorganized. After the declaration of Ukraine’s independence, a number of academic institutions were created as part of the Earth Department of the National Academy of Sciences of Ukraine. In 1996, the Ukrainian flag was raised in Antarctica – Ukraine, according to an agreement between the British and Ukrainian governments, officially took possession of the “Faraday” research station, which became the property of Ukraine and received the name “Akademik Vernadsky”. Information provided regarding the Targeted comprehensive programs of resource-oriented scientific research of the National Academy of Sciences of Ukraine: “Mineral resources of Ukraine and their extraction” (2004–2008), “Comprehensive bio-resource, hydrophysical and geological-geophysical research of the marine environment, promising oil and gas structures and mapping of the distribution of gas hydrates in the water area of the Black Sea and the Sea of Azov” (2007–2009), “Strategic Mineral Resources of Ukraine” (2009–2015), “Comprehensive Assessment of the State and Forecasting of the Dynamics of the Marine Environment and Resources of the Azov-Black Sea Basin” (2010–2012), “Comprehensive Monitoring, Assessment and forecasting the dynamics of the state of the marine environment and the resource base of the Azov-Black Sea basin under conditions of growing anthropogenic load and climate change” (2013–2015), “Mineral and raw material base of Ukraine as the basis of state security” (2016–2020), “Critical and strategic mineral resources of Ukraine under the conditions of globalization and climate change” (2021–2025). In a difficult time for the country, scientists of the Department of Earth Sciences of the National Academy of Sciences of Ukraine in the conditions of war continue their activities aimed at maintaining the functioning of the branches of the economy of Ukraine, monitoring the state of the environment and ensuring counteraction to the aggressor and adverse natural phenomena.