Provides that for purposes of guiding the development and adoption of comprehensive plans and development regulations of those counties and cities that are required or choose to plan under RCW 36.70A.040 the following goal is adopted: Reduce climate change impacts by lessening emissions of greenhouse gases and adapt to the effects of climate change through sustainable energy, transportation planning, and land use management practices.

Requires the department of community, trade, and economic development to develop and provide advisory climate change response methodologies and estimates to counties and cities.