1.How should people adjust their mood to the best condition when the weather changes?

Many people will be nervous and irritable on rainy days. And because of weather changes, there appears Seasonal Affective Disorder. If you want to keep good mood, you need adjust yourself. The reason why people feel uncomfortable is lack of light. So people can try to adjust themselves by listening to music, watching movies, going shopping or chatting with friends. To divert attention from darkness is a good solution.

2.What are the effects El Nino has on the neighboring regions?

The major effects are shown in the tropical areas of the Pacific Ocean. To the north, it brings along snow and blizzards; to the south and west, it may cause drought; while to the east, it brings plenty of rain and hurricanes.

3.What is the general trend in the global climate changes?

The weather is becoming more extreme, and the temperature of the earth is generally going up.

4.What is responsible for the changing climate worldwide? Try to explain the situation.

The root cause is human beings. Human beings produce and use cars and discover oil to fuel cars, which release CO2 into the air. As a matter of fact, trees and plants can take in CO2 and provide fresh oxygen for human beings to breathe. However, a great number of trees are being cut down to make more room for the growing population. Thus, the whole situation forms a vicious cycle, with important loops in the middle such as the amount of CO2 in the air, trees gone into extreme.