"Buck lived at a big house in the sun-kissed Santa Clara Valley...."
See in text (Chapter I)
This setting is notably idyllic and pleasant—positive words like “sun-kissed” appear throughout the paragraph. And the wealth and status of Judge Miller allow for luxuries that allow the boys to mitigate any harsh effects of the environment such as “the hot afternoon,” as air conditioning allows today. Although cultures around the world had used different architectural means to help airflow in buildings, the first modern air-conditioning mechanical system was invented by William Carrier in 1902, the year before London published The Call of the Wild. The first uses of the technology were industrial, however; air-conditioning wouldn’t be used for human comfort until the 1920s.