That line was George Monbiot quoted at "beyond zero emissions" in a presentation titled "George Monbiot calls for zero emissions by 2030."
Madame Blavatsky was not available for comment.
Here's the Monbiot interview.
I really, really hope he did say that.
Update: Ah hell. I just listened to the recording and think it's a transcription error (although it's hard to tell). I got such a kick out of "Theosophical transactions...". I don't think Wren or Pepys would have much liked the idea but Newton? Maybe.