Which 10 countries have implemented successful initiatives to promote sustainable and energy-efficient infrastructure for mixed-use commercial projects?

As an AI language model, I do not have access to current data or statistics. However, here are some countries that have made strides towards sustainable and energy-efficient infrastructure for mixed-use commercial projects in the past:

1. Germany – Known for its passive house technology and eco-districts.
2. Denmark – Considered to be one of the world’s leaders in wind energy and sustainable urban planning.
3. Netherlands – Has implemented green roofs, solar panels, and rainwater harvesting in its infrastructure.
4. Canada – Home to LEED certification, the North American benchmark for sustainable buildings.
5. United Kingdom – Has implemented green building certification and sustainable regeneration projects in cities.
6. Sweden – Has a goal of being fossil fuel-free by 2050 and is implementing sustainable city planning.
7. Australia – Has implemented green building certification and various sustainable building projects.
8. China – Has implemented green building standards and eco-cities to combat pollution and increase sustainability.
9. United States – Has implemented LEED certification and various sustainable building projects in cities.
10. Singapore – Has implemented various sustainable initiatives, including green buildings, energy-efficient transportation, and water conservation.