Historic use of phrases such as Climate Change, Biodiversity, Renewable Energy, Fracking, etc. (Google Books Ngram Viewer)

Historic use of phrases such as Climate Change, Biodiversity, Renewable Energy, Fracking, etc. (Google Books Ngram Viewer)

Ngram Viewer’ is a Google search service showing graphs of historic use of words and phrases in books published in the United States (until 2008). The diagram below shows the trend of the phrases: Climate Change, Biodiversity, Global Warming, Deforestation, Renewable Energy, Greenhouse Effect, Invasive Species and Fracking. The corpus search is in “English” (case-insensitive), between 1980 and 2008. Read the comments below the diagram.

Ngram, climate change, biodiversity etc.

The use of the phrases Deforestation and Greenhouse Effect both peaked around 1995 and has been falling steadily since. The word Fracking was close to zero even in 2008. The five other phrases have risen steadily since 1980s or the early 1990s (Biodiversity might have peaked around 2002, though). The overall trend is very clear: The progressing human caused climate destruction and loss of biodiversity is undoubtedly reflected in a more frequent use of associated phrases. Whether this applies globally or only in the United States is an open question.

The balance between the eight phrases in Ngram 2008 is listed in the table below. For comparison, the balance between the same phrases as Google hits from 2015 is also listed. The graphs above seem to continue more or less with the same trends: The phrases Deforestation and Greenhouse Effect has continued falling since 2008, while Climate Change, Renewable Energy and Fracking have been rising. The phrase Biodiversity presumably did peak in 2002.


 

. Ngram Viewer 2008 Google hits 2015
.  . .
Climate Change 33% 37%
Biodiversity 29% 16%
Global Warming 17% 16%
Deforestation 9% 3%
Renewable Energy 7% 19%
Greenhouse Effect 3% 1%
Invasive Species 2% 2%
Fracking 0% 6%
All 100% 100%

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Drawing by Claus Andersen, 2015.

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