This year marks the 40th anniversary of Earth Day. More than a generation has passed since a Wisconsin senator encouraged Harvard graduate student Denis Hayes to found the first world-wide celebration of the Earth. Forty years is a long time, so this...

According to estimates from the Jewish People Policy Planning Institute's study in 2007, there are 13.2 million Jews on Earth-less than 0.3 percent of the world's population. Although small in number, the Jewish people boast some pretty remarkable statistics....