# Thread: There are many units by which to measure the impact of climate change.

1. ## There are many units by which to measure the impact of climate change.

"There are many units by which to measure the impact of climate change."

Does the above sentence grammatical?

2. ## Re: There are many units by which to measure the impact of climate change.

Originally Posted by wotcha
"There are many units by which to measure the impact of climate change."

Is the above sentence grammatical?
Yes.

Rover

3. ## Re: There are many units by which to measure the impact of climate change.

However, I wonder if "metrics" might not be a better choice than "units."

4. ## Re: There are many units by which to measure the impact of climate change.

Originally Posted by Rover_KE
Yes.

Rover

Then is it possible to change 'by which' to 'where'?

5. ## Re: There are many units by which to measure the impact of climate change.

Originally Posted by wotcha
Then is it possible to change 'by which' to 'where'?
No.

6. ## Re: There are many units by which to measure the impact of climate change.

Originally Posted by Barb_D
However, I wonder if "metrics" might not be a better choice than "units."
I'd never heard of that use of metrics, Barb, but I looked it up and saw that it might be a possibility.

I'm not sure many people would understand it, though.

Rover

7. ## There are many units by which to measure the impact of climate change. -> by which???

There are many units by which to measure the impact of climate change

I wonder why we need 'by which' in the above sentence.

I understand the sentence as 'There are many units to measure the impact of climate change'.

Is 'by which' a 'preposition + relative pronoun' in the sentence?

If then what is the precedence of which?

8. ## Re: There are many units by which to measure the impact of climate change. -> by whic

NOT A TEACHER

The most important thing is that you understand it correctly. I don't know if I can explain it well, but "which" refers back to "units". "By" is used because you measure something by something. Education shouldn't be measured purely by examination results. (Source: Longman).

9. ## Re: There are many units by which to measure the impact of climate change.

Originally Posted by Barb_D
However, I wonder if "metrics" might not be a better choice than "units."
I agree that some other word should be chosen. "Units" when used with "measure" seems to refer to the units of measure (e.g. inches, millimeters, furlongs).

10. ## Re: There are many units by which to measure the impact of climate change. -> by whic

Originally Posted by Chicken Sandwich
NOT A TEACHER

The most important thing is that you understand it correctly. I don't know if I can explain it well, but "which" refers back to "units". "By" is used because you measure something by something. Education shouldn't be measured purely by examination results. (Source: Longman).
Now I can get this sentence.

'Many units are there to measure the impact of climate change by which ( = by many units) '

I've learned and taught relative pronoun always comes before a clause, so I was pretty much confused

when I first came across the sentence. As Gillnetter said, however, I might understand it

as a new pattern of composition.

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