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.
Fortunately, while you may not be able to eliminate jet lag altogether if youâre traveling across multiple time zones, you can lessen its effects with some simple strategies. First, it helps to understand what jet lag is and what causes it. Then, WebMD offers 11 ways to cope with jet lag and still enjoy your travel. Jet lag can occur any time you travel quickly across two or more time zones. The more time zones you cross, the more likely you are to be sleepy and sluggish -- and the longer and more intense the symptoms are likely to be. Jet lag is a temporary sleep disorder, but not temporary enough for many travelers.