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Water levels in the three upper Great Lakes are wavering far below normal, but Lake Superior, the northernmost lake, is already at a record low for this time of year. The problem comes in the balance between precipitation and evaporation: lakes evaporate in fall and winter.

Greenland has the world's highest suicide rate. And teen boys are at the highest risk.

Gov. Jerry Brown will begin the day in Sacramento and speak at San Diego City Hall around 12:30 p.m.

More than 120 leaders are expected to attend the one-day summit sponsored by the United Nations. They have been instructed to arrive Tuesday with "bold ideas" to slow the rise in global temperatures.

More than 120 leaders are expected to attend the one-day climate summit sponsored by the United Nations. They've been instructed to arrive with "bold ideas" to slow the rise in global temperatures.

As grain prices rise and ethanol makes up an increasing portion of the nation's fuel supply, a major drought in the Plains states could pose a significant threat to the U.S. economy. Agricultural economists are warning that El Nino could cause grain shortages that could reverberate in an unprecedented way through the economy.

The recent heat wave was no joke, but no rolling brown-outs resulted. Some SDG&E customers aren't finding the proposed rate structure funny, either. Carmel Valley votes down One Paseo. Longtime La Mesa Mayor Art Madrid wants a seventh term.

The Senate passed legislation Monday that would do away with direct payments to farmers and instead create an expanded crop insurance program. It's designed to protect farmers from losses, but some say it amounts to a highly subsidized gift to agribusiness.

The Senate voted Monday to approve its version of the farm bill, a massive spending measure that covers everything from food stamps to crop insurance and sets the nation's farm policy for the next five years.

A new report on the Salton Sea estimates that the volume of the lake will shrink by more than 50 percent in the next 15 years. If no mitigation or reclamation project is undertaken, the report projects the costs of the shrinking lake will include impacts to Southern California's ecology and public health.