The following is an excerpt from National Geographic:
Unlike remote parts of the world where natural events like lightning strikes are prime sources of wildfires, in southern California, such fires are almost always started by people. Ninety-five percent have a human cause, according to Cal Fire, the state's firefighting agency.
The Cocos Fire rages near homes in San Marcos, California this week. PHOTOGRAPH BY SAM HODGSON, REUTERS
The situation may worsen in the face of expected population growth. Metropolitan San Diego's population is expected to reach nearly 4.5 million by 2050, over a million more than today.
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