LEED Green Associate Practice Test

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Prepare for the LEED Green Associate Test with flashcards and multiple-choice questions. Each question comes with hints and explanations to help you understand the concepts better. Get ready for your LEED green associate exam!

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By which year must HCFCs be phased out according to international treaties?

2025
2030
2040
2050

The correct answer is: 2030

The correct timeline for the phasing out of hydrochlorofluorocarbons (HCFCs) is aligned with international treaties, specifically the Montreal Protocol and its subsequent amendments. According to these agreements, developed countries are required to completely phase out HCFCs by the year 2020, while developing countries have until 2030 to achieve the same goal. Therefore, when considering when HCFCs must be phased out globally, 2030 is the year designated for the full phase-out in developing countries, making it the correct choice in the context of international agreements. The other options, such as 2025 and 2040, do not correspond with any established international deadlines for HCFC elimination and could lead to confusion regarding the actual commitments made under the treaties. The year 2050 also extends beyond the actual compliance deadlines set by the Montreal Protocol, reinforcing that 2030 is the accurate milestone for developed nations' obligations.