Note: This chart has been updated to reflect the most recent available data.
This flow chart shows the sources and activities across the U.S. economy that produce greenhouse gas emissions. Energy use is by far responsible for the majority of greenhouse gases.
Measurement is critical to effective greenhouse gas (GHG) management. As the
United States moves toward a low-carbon economy, companies find it imperative that
they keep track of their GHG emissions. This fact sheet answers key questions about
corporate GHG inventories and how they relate to other GHG measurement initiatives.
By mid-2008, the U.S. Environmental Protection Agency must develop a national
greenhouse gas (GHG) registry. This is not part of ongoing climate policy discussions,
it is already law. This fact sheet answers the questions many are asking about GHG
registries and the role of a mandatory GHG reporting program in the United States.
This policy brief looks at the rationales for a national greenhouse gas registry in the United States, draws comparisons to other reporting programs and proposals, and makes recommendations on key design questions.
WRI’s CAIT project provides comprehensive and comparable databases of greenhouse gas inventories and other climate-relevant data, analysis tools, and dynamic maps.
Hundreds of companies around the world are using GHG Protocol standards and tools to manage their GHG footprint and make a difference for the climate by developing new products, improving energy efficiency, and participating in GHG programs and markets.
34 U.S. states, 2 Canadian provinces, and 2 Native American nation establish a single, unified GHG emissions accounting system.
An analysis of GHG Intensity targets, underlying indicators, rationales, real-world applications, and implementation issues.
The ACEA Agreement target in 2008 will entail costs for the industry that are likely to to distributed differently between the member companies. Yet these costs, along with their competitive implicatications, remain hidden from the public.
Emerging carbon constraints constitute a new influence on competitiveness in the automotive industry, creating both risks and opportunities for companies that could materially affect their earnings and ability to compete in global markets.
