Increasingly, companies across sectors and geographies are turning to an internal carbon price as one tool to help them reduce carbon emissions, mitigate climate-related business risks, and identify opportunities in the transition to a low-carbon economy.

This report outlines the emerging elements of a Paris climate agreement based on in-depth discussions among senior climate negotiators from leading countries. The report foresees a durable legal agreement that sets binding commitments for all parties, holds countries accountable, and works to progressively strengthen global ambition.

Market-based policies that put a price on greenhouse gases can reduce emissions cost-effectively while driving clean energy innovation. This brief compares six carbon pricing proposals introduced, or released in draft form, in the 113th Congress (2013-2014).