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The uprisings in Tunisia and Egypt came just as world food prices hit a record high. The World Bank reported this week that the cost of food is now at "dangerous" levels, a fact that is far more burdensome for people in the developing world.

The uprisings in Tunisia and Egypt came just as world food prices hit a record high. The World Bank reported this week that the cost of food is now at "dangerous" levels, a fact that is far more burdensome for people in the developing world.

The San Diego agricultural industry already faces major hurdles with the recent drought and new water-use regulations. We discuss how avocados and flowers were affected by the wrath of Mother Nature as well as the difficult road to recovery for local farmers.

Climatologists say San Diego and the entire southwestern United States can expect dry conditions this fall and winter because El Niño has ended and La Niña is setting in.

Are mandatory water restrictions in San Diego's future? What kind of water cutbacks can local residents expect to see this summer? What can be done to change local attitudes about water? Host Maure

As world leaders streamed into Copenhagen, disputes have left big issues unresolved just two days before participants hope to sign a historic accord to fight global warming. Meanwhile, hundreds of protesters tried to disrupt the conference, and police said more than 200 were detained.

Political unrest has broken out in Tunisia, Yemen, Egypt and other Arab countries. Social media and governmental policies are getting most of the credit for spurring the turmoil, but there's another factor at play.

A San Diego County water agency is in favor of a proposal to fix the states water supply problems. KPBS reporter Ed Joyce has more.

San Diego's biggest water hogs will start getting letters from the city as early as today, telling them to schedule a free efficiency audit. The biggest residential water user, a La Jolla customer, used 5.5 million gallons during a recent 12-month period -- enough to serve about 44 typical homes, The San Diego Union-Tribune reported.

Demand for ethanol and other biofuels is a "significant contributor" to soaring food prices around the world, World Bank President Robert Zoellick says. Droughts, financial market speculators and increased demand for food have also helped create "a perfect storm" that has boosted those prices, he says.