1. Introduction.-2. Assessment of Warming Projections and Probabilities for Brazil -- 3. Agricultural Sector -- 4. Health Sector -- 5. Biodiversity Sector -- 6. Energy Sector -- 7. Final Remarks and Recommendations -- Glossary.This book maps extreme temperature increase under dangerous climate change scenarios in Brazil and their impacts on four key sectors: agriculture, health, biodiversity and energy. The book draws on a careful review of the literature and climate projections, including relative risk estimates. This synthesis summarizes the state-of-the-art knowledge and provides decision-makers with risk analysis tools, to be incorporated in public planning policy, in order to understand climate events which may occur and which may have significant consequences. .