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This report argues that delaying climate protection policies increases long-term costs by locking in carbon-intensive infrastructure and hindering the development of renewable energy technologies, while also discouraging action from other nations.

This research paper argues for the formalization of common accounting rules for Annex I Parties and a clarification process for non-Annex I Parties' nationally appropriate mitigation actions (NAMAs). It highlights that current pledges often lack essential details on sectors, gases, and methodologies, which prevents accurate tracking of global progress toward temperature limits. The author recommends that these processes be formalized during COP17 in Durban, South Africa.

This research paper by the World Resources Institute evaluates the transparency of greenhouse gas (GHG) emissions targets in the Intended Nationally Determined Contributions (INDCs) of eight major emitting economies. Using the 'Open Book' framework, the paper identifies transparency gaps that hinder the assessment of national and global ambition, particularly regarding land-sector accounting and market mechanisms. It provides estimated emissions trajectories through 2030 to quantify uncertainties resulting from these gaps and offers recommendations for governments and UNFCCC negotiators to improve reporting clarity.

This report by the World Resources Institute examines how state-level climate policy innovation in the United States can influence federal regulation, a process termed "vertical diffusion." By analyzing thirteen cases of policy diffusion and specific initiatives like the Regional Greenhouse Gas Initiative (RGGI) and California vehicle emissions standards, the report identifies key drivers that encourage the federal government to adopt state-led climate policies.

This fact sheet assesses potential greenhouse gas (GHG) emission reductions resulting from the Waxman-Markey Discussion Draft (WM-DD) released on March 31, 2009, across three different scenarios ranging from basic pollution caps to the inclusion of all complementary requirements and additional potential reductions.

This World Resources Institute fact sheet explains the mechanics of carbon taxes, comparing them to cap-and-trade programs and discussing their economic impacts, implementation in various countries, and political status in the United States.

This guide by the World Resources Institute provides technical and process-related instructions for countries preparing their Intended Nationally Determined Contributions (INDCs) for the post-2020 period, following requests from countries during Regional Technical Dialogues convened by the UNDP and UNFCCC in 2014-2015.

This working paper by the Project for Advancing Climate Transparency (PACT) provides a vision and practical suggestions to help negotiators meet the December 2018 deadline for adopting the implementing guidelines, also known as the Paris Rulebook, for the Paris Agreement.

This policy brief by the World Resources Institute discusses the design of carbon offset programs within a cap-and-trade system, specifically focusing on the challenges of quantifying and verifying reductions from uncapped sectors to ensure the integrity of greenhouse gas (GHG) caps.

The Executive Guide to Carbon Pricing Leadership provides a framework for corporate leaders conducting due diligence on internal carbon pricing and government policy advocacy.

This World Resources Institute fact sheet explains cap-and-trade programs, which limit greenhouse gas emissions by creating a market for emission allowances. It details the difference between upstream and downstream regulation, contrasts cap-and-trade with carbon taxes, and highlights existing examples such as the EU-ETS and the U.S. Northeast Regional Greenhouse Gas Initiative (RGGI). The document notes that the U.S. EPA is the proposed administrator for most federal U.S. legislative proposals.

This World Resources Institute fact sheet describes Direct Air Capture (DAC) technology, its potential for carbon removal in the United States, and the federal policy and funding requirements needed to scale the technology by midcentury.

This report by the World Resources Institute provides a comprehensive guide for U.S. businesses on the deployment and financing of on-site renewable energy systems, including solar photovoltaic, solar thermal, wind, and geothermal heat pumps. It details the economic and financial benefits, various ownership and financing models, and the associated risks and objectives for corporate energy management.

This fact sheet from the World Resources Institute (WRI) discusses the role of Direct Air Capture (DAC) in limiting global temperature rise to 1.5 degrees C. It emphasizes that DAC must complement deep greenhouse gas emission reductions and argues for the implementation of social and environmental guardrails, equity-focused policies, and federal support for research and development to ensure the technology is scaled responsibly.

This briefing by the World Resources Institute examines the status of hydrofluorocarbons (HFCs) in the United States, highlighting their growth as greenhouse gas emissions and the availability of low-global warming potential (GWP) alternatives. It argues that market forces alone are insufficient to drive the transition and recommends specific regulatory actions by the EPA and the U.S. government to phase down high-GWP HFCs.

The Youth Climate Champions Training Materials is a guide produced by WWF South Africa to empower young people to become active citizens and agents of activism in response to the climate crisis. The toolkit consists of six interactive sessions designed to provide youth with tools for community engagement, communication, policy design, and professional integration into climate solutions.