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.
Year-round DST, also called âWar Timeâ, was in force during World War II, from February 9, 1942 to September 30, 1945. The change was implemented 40 days after the bombing of Pearl Harbor and during this time, the U.S. time zones were called âEastern War Timeâ, âCentral War Timeâ, and âPacific War Timeâ.oday, Daylight Saving Time (DST) is used to save energy and make better use of daylight. The idea has been suggested in ancient times and later by famous scientists. Benjamin Franklin suggested waking up earlier. US founding father Benjamin Franklin suggested waking up earlier to economize candle usage.