This title offers a few advantages: - Intrigue: "Cleaning Up Coal" sparks curiosity about a potential solution for a polluting industry. - Clarity: "Oxy-Fuel Combustion" identifies the specific technology. - Question Format: Raises doubt about the technology's effectiveness against climate change. The piece could delve into the challenges of traditional coal power: - High Emissions: Explain how coal-fired power plants are major contributors of greenhouse gases and air pollution. - Impact on Environment: Briefly discuss the environmental consequences, like acid rain and climate change. The focus would then shift on the concept of oxy-fuel combustion: - Oxygen Replacement: Explain how oxy-fuel combustion uses pure oxygen instead of air in the combustion process. - Reduced Emissions: Highlight how this technology has the potential to capture CO2 emissions more easily. The focus would then explore the limitations and uncertainties: - Technical Challenges: Briefly discuss the technical challenges and high costs associated with oxy-fuel technology. - Climate Impact Unclear: Emphasize the ongoing debate about the actual effectiveness of oxy-fuel in reducing overall climate impact. "Cleaning Up Coal" suggests a few content directions: - Comparison to Other Technologies: Discuss oxy-fuel combustion alongside renewable energy sources as potential solutions. - The Role of Oxy-Fuel in a Broader Strategy: Explore how oxy-fuel might fit into a comprehensive plan to address climate change, alongside other strategies. - The Future of Coal Power: Briefly discuss the ongoing debate about the future of coal power in general, considering factors like economics and environmental regulations.