Bottom-up estimating of greenhouse gases entirely relies on self-reporting and hence, on the capabilities of the country to collect the necessary information; this challenges the goals for transparent, accurate, complete, consistent and comparable (TACCC) reporting. While the quality of the reports is assured through reviews by third parties, these reviews only check for consistency of the applied procedures; they do not provide an evaluation against independent information. Top-down estimating of greenhouse gases, on the other hand, has the advantage of accounting for the net real world emissions and thus can not forget or double count any sources. By combining these new top-down estimating strategies with established bottom-up estimating strategies, country’s estimates of the amount and type of greenhouse gases they are producing will be more accurate, and that country can then develop more cost and time effective strategies for reduction.
Explore countries who are already taking advantage of IG3IS resources and learn how it has helped in their planning. These countries are colored green on the map on the homepage.
Though IG3IS’ customers thus far have been countries of the western world, our resources are intended for all countries party to the Paris agreement. Actually, those countries who are currently lacking the infrastructure to collect all statistical data that is necessary for developing accurate “bottom-up” emission inventories could particularly benefit from independent “top-down” estimates to guide this development. While for some countries, IG3IS “top-down” estimation may require setting up new measurement infrastructure, IG3IS has the resources and the expertise needed to establish this infrastructure in a versatile way, so that it may service greenhouse gas monitoring and other sectoral monitoring that the country may require such as agriculture or weather.
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