Energy efficiency measures in buildings can be promoted through:

The correct answer is: d) All of the above

Energy efficiency measures in buildings can be promoted through the use of LED lighting, energy-efficient appliances, and better insulation.

• LED lighting is more energy-efficient than traditional incandescent and fluorescent bulbs. It uses less energy to produce the same amount of light, and it lasts much longer. LED lights can save you money on your energy bills and reduce your carbon footprint.
• Energy-efficient appliances use less energy than standard appliances. They can save you money on your energy bills and help to reduce your environmental impact.
• Better insulation helps to keep your home cooler in the summer and warmer in the winter. This can save you money on your energy bills and make your home more comfortable to live in.

All of these measures can help to improve the energy efficiency of buildings and reduce their environmental impact.