Nitrogen (N2) is not a greenhouse gas because it does not absorb infrared radiation emitted by the Earth's surface.

Buildings are responsible for approximately 30-40% of global greenhouse gas emissions, primarily due to the energy used for heating, cooling, and lighting.

Increasing the size of windows can lead to increased heat gain in summer and heat loss in winter, reducing the overall energy efficiency of the building.

Solar photovoltaic (PV) panels are widely used in buildings to convert sunlight directly into electricity.

Sustainable building materials have a lower environmental impact and contribute to reducing the carbon footprint of the building.

Rainwater harvesting involves collecting and reusing rainwater for various purposes, such as irrigation, toilet flushing, and car washing.

Green roofs serve multiple purposes, including reducing the heat island effect, improving air quality, and providing habitat for wildlife.

Energy-efficient appliances do not directly impact indoor air quality.

A net-zero energy building aims to generate more energy than it consumes over a year, typically through the use of renewable energy sources and energy-efficient design.

Plastic is not a sustainable building material due to its environmental impact and difficulty in recycling.

Green building, sustainable building, and eco-friendly building all refer to buildings that are designed and constructed to minimize their environmental impact.

Cost-effectiveness is not typically a key component of green building rating systems, which focus on environmental performance.

A building energy audit is conducted to identify areas where energy can be saved, such as through improvements to insulation, lighting, and heating and cooling systems.

ISO 14001 is an environmental management system standard, not a green building certification program.