It wasn't "the oil industry", but climate activists who, during a period when the earth wasn't warming starting around 1998, decided to reframe it as "climate change" in order to maintain the sense of crisis.
https://books.google.com/ngrams/graph?content=%22climate+cha...
While the planet overall is warming, the extra energy in the system can actually make colder in some places.
For example, by enabling stronger storm systems to push arctic air farther south than previously.
There are various articles and interviews with him on this topic. Layoff has an excellent discussion of the topic too.