The phrase "energy appetite" refers to how much energy a person or thing needs or desires. It relates to how much energy is required or consumed to perform certain activities or tasks. Full definition
The struggle to initiate the big shifts in behavior and technology that would be required to reduce carbon dioxide emissions in a world with a fast - growing energy appetite is of epic scale. (dotearth.blogs.nytimes.com)
Despite their appeal, such steps are almost meaningless when considering the grand challenge of limiting warming even as human numbers and energy appetites crest in coming decades, an array of climate scientists warn. (dotearth.blogs.nytimes.com)
That is significant, given the scope of the task in a world more than 80 - percent dependent on coal and oil and with a (likely) tripled energy appetite by mid-century. (dotearth.blogs.nytimes.com)