World's wild tiger count rising for first time in a century

The world's count of wild tigers roaming forests from Russia to Vietnam has gone up for the first time in more than a century, with some 3,890 counted by conservation groups and national governments in the latest global census, ...

Drought threatens California despite El Nino

Last winter, El Nino-driven storms dumped much-needed snow and rain over California, boosting reservoir levels and fueling hopes the parched state's four-year drought might end.