Leaving windows open can lead to increased energy consumption as the heating or cooling system will have to work harder to maintain a comfortable temperature.

Carbon dioxide is the primary greenhouse gas emitted by burning fossil fuels, such as coal, oil, and natural gas.

Natural gas is a fossil fuel and is not a renewable energy source.

A circular economy is a model of production and consumption that involves sharing, reusing, repairing, refurbishing, and recycling existing materials and products as long as possible.

Leaving electronic devices on overnight can lead to increased energy consumption and waste.

Photovoltaics is the process of converting light energy from the sun into electricity using solar cells.

Reducing your carbon footprint at work can lead to reduced operating costs, improved employee morale, and increased productivity, but it does not lead to increased pollution.

Energy efficiency is the practice of using less energy to perform the same task.

Driving a gas-guzzling SUV can lead to increased carbon emissions and a larger carbon footprint.

Afforestation is the practice of planting trees in areas that were previously not forested.

Flying in business or first class can lead to increased carbon emissions and a larger carbon footprint.

Waste reduction is the practice of reducing the amount of waste produced.

Buying the cheapest option available may not be the most sustainable choice and can lead to increased carbon emissions.

Renewable energy is energy from sources that are naturally replenished, such as sunlight, wind, and water.

Leaving devices plugged in overnight can lead to increased energy consumption and a larger carbon footprint.