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Reliability in Reserve: Long-Duration Energy Storage for an Abundant American Energy Future

Long-duration energy storage (LDES) is any storage technology that can supply energy—typically as electricity, and in some cases as heat—continuously for at least ten consecutive hours at full power. LDES systems offer an alternative to shorter-duration energy storage technologies like lithium-ion batteries. There are three main storage classifications for LDES: inter-day, multi-day, and seasonal shifting. […]
Technology Implementation Programme: Negotiations State of Play (Discussion Paper)

This paper outlines the current state of discussion on the Technology Implementation Programme (TIP) and presents a range of options related its modalities. Two years since its establishment, Parties have not yet reached consensus on how to operationalize the TIP. Without shared understanding of the TIP’s purpose and operational modalities, there is a gap in […]
More than Carbon: The Value Proposition of Engineered Carbon Removal

Engineered carbon removal (ECR) is a form of carbon dioxide removal (CDR) that uses human-made technologies to capture carbon dioxide from ambient air or oceans. In some cases, ECR accelerates the speed of natural carbon dioxide uptake and/or transfers the captured carbon dioxide to more permanent storage through technological means. While ECR is essential for […]
Methane Pyrolysis for Hydrogen Production

1-2 sentence blurb for methane paper here.
A Vision for the 2025-2030 Action Agenda

A 2030 plan for the action agenda should, consistent with the Fourth Letter of the incoming Presidency for the 30th Conference of the Parties (COP30) to the UN Framework Convention on Climate Change (UNFCCC), facilitate follow-up on the outcomes of the first global stocktake (GST) and enhance international cooperation in support of the Paris Agreement […]
Emerging Practice for Integrating and Implementing Early Warning Systems and Climate Information Services in NAPs and NDCs

Countries should integrate and implement Early Warning Systems (EWS) and Climate Information Services (CIS) into their National Adaptation Plans (NAPs) and Nationally Determined Contributions (NDCs), pursuant to the UN’s goal of “Early Warnings for All by 2027.” EWS and CIS are crucial for saving lives, managing climate risks, and building resilience, especially in vulnerable regions […]
Assessing the Landscape of Climate Risk and Supply Chain Resilience

Global supply chains face mounting risks from climate change, geopolitics, and economic volatility. While corporate resilience planning has grown since COVID-19, climate risk is still treated separately from supply chain management, creating gaps in preparedness. This report highlights how extreme weather events, such as floods and droughts, increasingly disrupt logistics and trade, with cascading impacts […]
C2ES Comments on Reconsideration of the Endangerment Finding and Greenhouse Gas Vehicle Standards

Comments of the Center for Climate and Energy Solutions on Reconsideration of 2009 Endangerment Finding and Greenhouse Gas Vehicle Standards (40 CFR Parts 85, 86, 600, 1036, 1037, and 1039 (July 29, 2025)) Docket ID No. EPA-HQ-OAR-2025-0194; FRL- 12715-01-OAR These comments were submitted on September 19, 2025.  Key Points Scientific analysis and direct observation demonstrate […]
Strategic Communications Playbook: Tips for Credibility Building

Strategic Communications Playbook: Research, Tools, and Resources to Effectively Tell Your Story  The Communications Playbook goes beyond data and best practices by offering practical tools and templates to help you put the guidance into action. Because every organization has different structures, priorities, and challenges, the Playbook provides high-level guidance with adaptable resources — so you […]
Strategic Communications Playbook: Content Calendar Template

Strategic Communications Playbook: Research, Tools, and Resources to Effectively Tell Your Story The Communications Playbook goes beyond data and best practices by offering practical tools and templates to help you put the guidance into action. Because every organization has different structures, priorities, and challenges, the Playbook provides high-level guidance with adaptable resources — so you […]
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