One of the problems is that people cannot visualize the scale of the carbon emissions involved. Many have tried to make it visible. So, Will Arnold at ARUP made a creative leap to frame the carbon in buildings in terms of those carbon footprint items we have been told about for years. For example your flight to Europe from USA is a ton of carbon! A year’s worth of meat is 2 tons! Driving your car is 3 tons per year! Actually, the EPA said the American average is 4.6 metric tons, and total emissions from the average American are about 15 metric tons. A hamburger is 2.5 kilograms.

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