LA JOLLA, California, May 1 (TNSres) -- The University of California San Diego campus issued the following news: Story by: Xochitl Rojas-Rocha Around 6,200 BCE, the climate changed. Global temperatures dropped, sea levels rose and the southern Levant, including modern-day Israel, the Palestinian territories, Jordan, Lebanon, southern Syria and the Sinai desert, entered a period of drought. Previously, archaeologists believed that this abrupt shift in global climate, called the 8.2ka event, m more PR