Description: If the prices of goods and services do not include the cost of negative externalities or the cost of harmful effects they have on the environment, people might misuse them and use them in large quantities without thinking about their ill effects on the environment.
Jet lag. Jet lag is a mismatch between your body clock and the local time wherever you are. It's caused by rapid travel across time zones. Jet lag is also compounded by the fact that long hours spent on a plane can cause you to sleep too much, or not enough, possibly at the wrong time of day relative to where you departed from.
A time zone is a region or area that observes the same standard time. The world is divided longitudinally into time zones, with each hour difference roughly 15 degrees apart. Due to some countries have half hour time zones, there are more than 24 times zones in the world.