Global Climate Change: Current and Future Impacts

This lecture discusses the current and future impacts of climate change, focusing on essential climate variables defined by the Global Climate Observing System. It covers observations from surface weather stations and atmospheric data collection methods, including radiosondes and satellites. The instructor presents data on temperature changes, emphasizing the significant rise in global temperatures and the role of human activities in this trend. The lecture also highlights the implications of climate change on various ecosystems and biodiversity, detailing observed impacts across different regions. Projections for future climate scenarios are discussed, including potential changes in temperature and precipitation patterns. The importance of understanding these changes for effective adaptation and mitigation strategies is emphasized, alongside the need for sustainable practices to address the challenges posed by climate change. The lecture concludes with a summary of key points and a call for awareness and action regarding climate issues.