Complete the online greenhouse gas reduction strategy form. Upload the emissions calculator and any supplemental documents to SAGE (login required).The Paris Agreement is a legally binding international treaty on climate change. This page provides an interactive map and listing of plans, resolutions, and other documents that local and tribal governments in Washington State have adopted. Gases that trap heat in the atmosphere are called greenhouse gases. This section provides information on emissions and removals of the main greenhouse gases. This report examines methods for estimating anthropogenic greenhouse gas emissions and for observing their changes over time. Tacoma's GHG pollution amounted to approximately 1.7 million metric tons of carbon dioxide equivalent emissions (MtCO2e), or 7.7 MtCO2e per person. GHG emission reduction target pledged under the international Paris Agreement (at least in terms of CO2 emissions).