Final answer:
The economic cost associated with addressing greenhouse gas emissions is funding research for alternative energy technologies, an essential investment for a sustainable future.Therefore, the correct option is C
Step-by-step explanation:
The question asks about the economic costs associated with addressing the problem of greenhouse gas emissions linked to global warming. Among the options provided, the correct answer is C. funding the research necessary to develop alternative energy technologies. This is a cost because investing in research and development of new technologies to reduce greenhouse gases requires significant financial resources. It involves the government or private entities allocating funds that could otherwise be used elsewhere. However, this is an essential investment for a sustainable future and can lead to long-term economic benefits, such as the creation of jobs in new industries and decreased dependency on fossil fuels.