Understanding Greenhouse Gas (GHG) Emissions
Washington has a number of programs designed to help us better understand the sources of greenhouse gas emissions in the state. These programs help the state design policies to reduce greenhouse gas emissions and track our progress towards meeting the state’s statutory greenhouse gas reduction limits.
The state’s greenhouse gas inventory estimates Washington’s anthropogenic GHG emissions for the period from 1990 to 2011. GHG emissions estimates were developed using a set of generally-accepted principles and guidelines for state GHG emission inventories, with adjustments for Washington-specific data and context, as appropriate. The most recent inventory was published in December, 2012. The inventory will be updated every two years as required by state law.
The Department of Ecology adopted Chapter 173-441 WAC – Reporting of Emissions of Greenhouse Gases on December 1, 2010. The rule became effective on January 1, 2011. Reporting requirements begin January 1, 2012. The mandatory greenhouse gas reporting rule applies to:
> See more about EPA Mandatory Reporting Rules.
The Climate Registry is a nonprofit collaboration among North American states, provinces, territories and Native Sovereign Nations that sets consistent and transparent standards to calculate, verify and publicly report greenhouse gas emissions into a single registry.
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