IELTS Writing Task 2/ IELTS Essay:
You should spend about 40 minutes on this task:
Present a written argument to an educated reader with no specialist knowledge of the following topic:
To solve the ever-increasing environmental hazards throughout the world, the best way is to increase the price of fuel.
What is your opinion on the above assumption?
Write at least 250 words.
参考范文：
Increasing the price of oil is one of the main strategies elaborated in order to act against the worsening of habitat condition. Nonetheless, such a solution could be not enough to stop the phenomenon.
The idea of raising prices of environmentally risky goods is not a recent hypothesis. It is named Pigovian tax, and it aims to reduce the use of such goods. It really affects consumption, balancing the advantage of using a certain product with the disadvantage of a growing cost to obtain it. Consequently, consumers tend to move toward less expensive goods. This tendency is advantageous because the State doesn't need to deal with enterprises: the loss of clients means a consequent interest in enterprises toward green energy. The market works as a stabiliser, more than an element damaging the environment. Therefore, this policy can be advantageous.
On the other hand, disadvantages are more influential than positive effects. Firstly, the effectiveness of the Pigovian tax lies on the ability of actors in finding a good to be used as a substitute. What if a country invested many resources in road transport? What if a State can rely on massive oil reserves? In short, such a choice must consider both the existence of alternative sources and the historical industrial evolution of the country. Moreover, the importance of such an asset as the one of energy makes the use of incentives and changing in prices an unreliable and dangerous tool. It could create too many damages for an excessively unpredictable policy.
All things considered, many doubts remain about the hypothesis of using prices as a lever to modify the way how people behave when dealing with energy and petrol. Some positive consequences are certainly undeniable, but risks are still higher than expected benefits. Consequently, betting on alternative solutions would be desirable.
