Critical choices ahead for natural resources

Also in this issue:

Evaluation of genetically improved strains of Metaseiulus occidentalis (Nesbitt) (Acarina: Phytoseiidae) for integrated control of spider mites on roses in greenhouses

Q&A: Global warming: No easy answers

Is California's future hydraulically sustainable?

Restoring aquatic ecosystems is a matter of values

Nonprofit organizations gaining influence

Biodiversity is critical to future health of California's ecology and economy

California forest policy must bend toward the new social order

Soil salinity poses challenges for sustainable agriculture and wildlife

Trace elements slowly accumulating, depleting in soils

The price of water: Market-based strategies are needed to cope with scarcity

Recycled water is a promising new supply source