Science can help reduce human contributions to global warming in various ways. Based on your options, here are the analyses for each:
A. Research alternatives to fossil fuels - This option emphasizes the importance of scientific research in developing renewable energy sources (like solar, wind, and hydro) that can replace fossil fuels and significantly reduce carbon emissions.
B. Create more laws like the Clean Air Act - While laws play a critical role in environmental protection, the formulation and effectiveness of such laws often rely on scientific research and data to understand pollution sources and impacts.
C. Enforce fuel-saving rules for air traffic control systems - Improving air traffic control to use more fuel-efficient flight paths and reduce emissions can be informed by scientific studies on aerodynamics and fuel consumption.
D. Change regulations that prevent the construction of nuclear power plants - Nuclear energy can be a low-carbon energy source, and scientific assessments of its safety and efficiency could support reforms in policy regarding its development.
Overall, while all options can play a role in addressing global warming, option A, “Research alternatives to fossil fuels,” is particularly crucial because it directly addresses the need for sustainable energy solutions derived from scientific innovation. Therefore, it might be the most impactful option specifically related to science's role in combating global warming.
Final choice: A. research alternatives to fossil fuels.
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