albeit
‘Albeit’ is a nice formal word and works well in the right context.
benefit
There are many useful collocations for ‘benefit’ that will strengthen your arguments. Practise them here.
advent
‘Advent’ means ‘the coming of’, so it’s useful for introducting Task 2 essays e.g. ‘With the advent of the internet…’
It had a negative impact/effect on the environment.
Useful collocations with ‘impact’ and ‘effect’.