Many countries are deliberating whether they should start taxing the a...
Argument Analysis
Pre-Thinking
Conclusion Clarification
The author concludes that the problem of the emission of GG by the airline industry is severe.
Pre-Thinking Approach
We need to find a statement which can provide support for the intermediate conclusion that CO2 and other gases emitted by aircraft could be even more damaging to the environment than they would normally be. For this, we’ll look at conditions in which linkage 1 makes logical sense.
Linkage#1 – Option statement
- Support 1: What if, there is something special about the emission of gases from an aircraft compared to emission of these gases otherwise? E.g. aircrafts pass over certain inaccessible terrains whose fragile ecosystem gets affected by the gases emitted from an aircraft. Or maybe when gases are emitted from such height, they cover a large area and the impact is manifold compared to a situation in which the emissions are restricted to a smaller region.
With this understanding in mind, let’s take a look at the option statements.
Answer Choices
A
several gases emitted by the aircraft are not released by many vehicles on ground.
Incorrect - Irrelevant
This option doesn’t mention what’s especially damaging about the gases emitted by the aircraft.
B
various airlines are increasingly realizing economies of scale and hence planning to further slash down the ticket prices.
Incorrect - Irrelevant
This option too doesn’t tell us why the gases emitted by aircrafts are especially damaging to the environment.
C
the effect of a given amount of emission is greater at higher altitudes.
Correct
This choice is written along the lines of our pre-thinking as per Linkage #1
D
technological developments in the automobile industry are likely to significantly reduce the particulate emissions from several land-based vehicles but not from the kind of aircraft used in the aviation industry.
Incorrect – Irrelevant
Even if the information given in this choice is true, it only gives us a reason to think that the land based vehicles may not as significantly contribute to the total emission of such gases, but it doesn’t provide us with any grounds to conclude why the emissions from these aircraft will be particularly damaging.
E
innovations in technology have made aircraft engines more fuel efficient.
Incorrect - Irrelevant
Fuel efficiency of an aircraft doesn’t relate to the impact of the gases emitted by it.