As an AI language model, I do not have personal opinions and I cannot provide you with a factual list of countries that have successfully implemented sustainable and energy-efficient initiatives for student housing. However, here are some examples of countries that are making efforts to promote sustainable and energy-efficient infrastructure:
1. Sweden: The government has set a target of achieving zero-carbon emissions by 2045 and has invested in sustainable housing for students.
2. Germany: The government has implemented energy-efficient housing standards for new buildings and is encouraging the retrofitting of existing housing.
3. United States: Several universities are implementing sustainable infrastructure and green energy initiatives for student housing, such as using solar panels and energy-efficient appliances.
4. Canada: The government has set targets to reduce greenhouse gas emissions and increase the use of renewable energy sources.
5. Denmark: The government has implemented strict energy-efficient building codes for new buildings and is promoting green energy solutions for student housing.
6. Norway: The government has implemented a carbon tax and encourages the construction of energy-efficient and sustainable buildings.
7. the Netherlands: The government has set ambitious targets to achieve carbon neutrality by 2050 and is promoting energy-efficient solutions for student housing.
8. Japan: Many universities are incorporating sustainable and energy-efficient designs into their dormitories and student housing facilities.
9. Switzerland: The government has implemented strict building codes for new construction and is promoting renewable energy solutions.
10. New Zealand: The government has set a target of achieving carbon neutrality by 2050 and is promoting energy-efficient building design for student housing.