How much does it cost to fly private? - Rachel Yang

A lot of, lots of: Quantity A1

"commercial planes emit a lot of CO2"

Comparatives: -er and more (A2 level) A2

"these rental costs are still much cheaper than actually buying a plane"

Both, either, neither: Two things A2

"While both private and commercial planes emit a lot of CO2"

Present Perfect: Basic Formation B1

"roughly 1% of fliers have been responsible for almost half of aviation emissions"

Zero Conditional: General Truths B1

"If you want to fly private, you have two options"

Hedging: 'It is likely/unlikely that' C1

"it will likely continue growing"

Substitution (Pro-forms) A1

"commercial planes do so to move a lot of people"