WITH his high domed forehead, bushy mustache, horn-rimmed glasses, and Harvard/Oxford background, Amory Lovins is the quintessential intellectual whose idea of a vacation is sitting around thinking deep thoughts.
In her worn jeans, boots, and cowboy hat, Hunter Lovins looks like the rodeo rider she is - when she's not using her degrees in political science, sociology, and law to run an international operation with high-placed connections in more than 30 countries.
Despite what seem to be marked differences in appearance, the Lovinses have a singularity of purpose: exploring the interconnected complexities of energy, natural resources, and economics. Their perspective ranges from the home and family level to the global.
They have coauthored a half-dozen books and share bylines on many articles and papers. The essential message: Sustainable use of resources and energy efficiency (a word they prefer to "conservation," which has a more spartan feel) can be achieved through market economics and without undue stress on the American lifestyle.
But they have established different roles in their collaborative effort.
Amory is research director and vice-president at the Rocky Mountain Institute (RMI) and does more of the traveling.
Hunter is executive director and president, which means that she can hold up his paycheck and make him stay home to write his reports before he heads out again to "give speeches and rabble rouse," which she did recently.
"I don't …