precipitation

Sierra Nevada Snowpack at 500-Year Low
Unusually scarce precipitation last winter has left little snow on the mountains, endangering a key California water reserve.

Worst Droughts in a Millennium Predicted for Western United States
Research uncovers more evidence for possibly decades-long droughts. Climate change is the likely culprit in effects that may challenge infrastructure and agricultural output throughout the century.
Urban3
HUD's Office of Policy Development and Research
Washington University
Mpact: Mobility, Community, Possibility
Lassen County Planning and Building Services
City of San Carlos
National Capital Planning Commission
Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.