Final answer:
Felix's research on climate change improved his understanding through studying greenhouse gas emissions, carbon sequestration, and the impact on ecosystems, providing him with accurate information and evidence.
Step-by-step explanation:
Felix's research on climate change impacted his understanding by providing him with more accurate information and evidence about the causes and effects of climate change. This research likely involved studying greenhouse gas emissions, carbon sequestration, and the impact on ecosystems. By analyzing data and studying the research of experts like Susan Solomon, Felix gained a deeper understanding of the complexities of climate change and its potential consequences for the Earth and modern civilization.