1 HIGHWAY 1 , CARMEL-BY-THESEA TO CAMBRIA , CALIFORNIA
This 100-mile stretch of California State Route 1 might be the most dramatic coastline road in the country. Dozens of climbs and hairpin turns pass by centerfolds of crashing surf, thousand-foot cliffs, and oldgrowth redwoods.
HOW IT'S CHANGING
Average temperatures in the Sierra Nevada mountains—home to snowpack that provides 60 percent of the state’s water—may rise 10 degrees by the end of the century, increasing the risk of wildfires, drought, and severe flooding (drought conditions hamper the soil's ability to absorb water). Last year, a wildfire burned more than 132,000 acres south of Carmelby- the-Sea, due in part to years of drought. Then, this past winter, Big Sur had its wettest rainy season in more than a century. In February, heavy…