Period of history that began in the late 1700's, and is widely considered to be the beginning of the modern era. Per person A greenhouse gas This is an externality that results from the use of electronics How much goods are worth, but this worth is difficult to quantify. The market is notoriously bad at considering this. When market activity does not result in optimal distributions of goods and/or services. An externality is an example of this. The total value of all the goods and services produced within a country's borders. To (attempt to) achieve the ideal quantity or size. (As opposed to trying to achieve the largest size.) Quality, not quantity. This metaphor was proposed by Adam Smith as the way the market "guides" transactions in such a way that by a lot of people acting selfishly, that society benefits as a whole. The belief that all people should have access to resources. An important aspect of sustainability. People, planet and profit. "Meeting the needs of the present generation without compromising the needs of future generations" A system of managing the value of goods and services that focuses on removing as much regulation as possible. Another word for this