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Lord of the Rings was written between 1937 and 1949, though Return of the King's 1956 publication was delayed due to him revising the ending.
The Great Smog, killing 4,000 Londoners and sickening 100,000 more, happened in 1952. While it seems a bit late to have had a direct impact on the novel, it's kind of indicative of the times. The fact that the British peppered moth evolved from light to dark in order to blend in with polluted surfaces also seems relevant.
The industry most of us have known is *much cleaner* than that Tolkien grew up with and wrote under, thanks to various Clean Air Laws. (Also, exporting to poorer countries.)
(And those laws, of course, aren't saving us from global warming.)
The Great Smog, killing 4,000 Londoners and sickening 100,000 more, happened in 1952. While it seems a bit late to have had a direct impact on the novel, it's kind of indicative of the times. The fact that the British peppered moth evolved from light to dark in order to blend in with polluted surfaces also seems relevant.
The industry most of us have known is *much cleaner* than that Tolkien grew up with and wrote under, thanks to various Clean Air Laws. (Also, exporting to poorer countries.)
(And those laws, of course, aren't saving us from global warming.)