A small percentage of billionaires own the majority of these yachts Photos of $1.2 billion megayacht spark outrage in crowded ...

Nearly half the country is exposed to unhealthy air that poses serious health risks, according to a new report from the ...

Pope Francis, who chose his papal name after the 13th-century figure St. Francis of Assisi, known as the patron saint of ...

Bay Area's air quality struggles despite green reputation, with high ozone and particle pollution impacting health, ...

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