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Carbon Market Watch expresses concern over the potential for continued offset credit trading in the L.6 text, arguing that offsets reduce the ambition of emissions caps and hinder the goal of limiting temperature increases to 1.5ºC. The author suggests that the Clean Development Mechanism (CDM) structures should be repurposed as a channel for climate finance rather than an offset mechanism to support mitigation outcomes and avoid double counting.

The document reports that decarbonization in the power and transport sectors is exceeding previous predictions. It highlights a faster-than-expected shift away from coal in the EU, US, and China, as well as wind and solar capacity growth that has surpassed forecasts. In transport, passenger vehicle fleets in key economies are less carbon-intense than in 2005, and the market penetration of electric drive vehicles is exceeding predictions.

The document defines key climate terminology used in COP21 negotiations, such as decarbonization, carbon neutrality, and carbon budgets, while explaining how these terms influence the global emissions trajectory. It argues that for long-term goals to be effective, they must be consistent with climate science, limit both long-term and cumulative emissions, and provide clear dates and plausible reduction pathways.

The report outlines a systematic approach to identifying and addressing financial barriers to low-carbon investment. It proposes an analysis matrix that intersects various financial stakeholders with specific barriers—such as high cost of capital, perceived risk, and split incentives—to determine where public intervention is most effective. The authors argue that dedicated institutions like green banks can be advantageous by co-housing policies to allow for flexible funding, creating a 'brain trust' of expertise, and simplifying access for consumers. The document also provides a table of existing public green infrastructure banks in the OECD, including examples from Australia, the UK, Korea, Canada, and the USA.

The report argues for the creation of specific 2°C-compatible investment criteria to guide the shift of capital from high to low carbon investments. While many international financial institutions currently use climate considerations, the document notes that these existing approaches do not explicitly link to the 2°C limit.

A coalition of 121 civil society organisations calls for a robust Paris Treaty featuring 5-year commitment periods, a 2050 decarbonisation goal, and the exclusion of international carbon offsets. The letter advocates for a human rights-based approach, the integration of Sustainable Development Goals, and the recognition of Loss & Damage to ensure a just transition and environmental integrity.

The study evaluates the impact of energy efficiency (EE) on the costs of achieving the internationally agreed 2°C target by 2050. It specifically compares the global cost savings up to 2030 of a pathway emphasizing EE measures against one that focuses primarily on decarbonizing the energy supply.

WRI Climate Director Jennifer Morgan frames COP21 as a transformational moment to shift the world toward a sustainable economic model. While noting that over 160 countries have submitted climate action plans (INDCs) and major economies are increasing renewable energy supply, the document warns that current efforts are insufficient to meet the 2 degree C limit. It proposes three essential components for the Paris agreement: clear long-term and short-term signals to catalyze investment and decarbonization, a solidarity package providing finance and tools to developing countries, and a global system of transparency and accountability.

The document is a call to action by cleantech entrepreneurs and supporting organisations directed at COP21. It argues that viable solutions for decarbonisation already exist but are hindered by policy influence and capital allocation favouring the fossil fuel industry. The signatories demand a global shift to 100% renewable energy by 2050, the redirection of finance away from fossil fuels, and the implementation of science-based targets and carbon pricing.

A group of 22 global business and civil society leaders is calling for a net-zero greenhouse-gas emissions goal by 2050 to be established at COP21. They argue that such a goal is necessary to mobilize private sector investment, innovate for global decarbonization, and protect the Sustainable Development Goals. To demonstrate feasibility, several signatory companies, including Unilever, Salesforce, and Virgin Group, have already committed to achieving net-zero emissions by 2050 within their own operations.

The policy brief advocates for aligning the 2015 Paris climate negotiations with the UN's 2030 Agenda for Sustainable Development. It proposes that the final treaty include a new article requiring parties to develop national zero-carbon climate-resilient strategies with decarbonization trajectories by 2050. The brief emphasizes that climate action must be integrated into broader national development portfolios—including energy, trade, and health—and that monitoring and accountability frameworks (MRV) should be aligned with the human rights and gender-sensitive principles of the 2030 Agenda.

The report outlines a three-step approach for improving the performance of publicly-owned utilities (POUs). The first step involves 'no regrets' actions, such as engaging diverse stakeholders to define goals and using Integrated Resource Plans (IRPs) to balance reliability, cost, and environmental targets. The second step focuses on governance evolutions, specifically delineating the roles of boards and management and implementing board self-evaluations. The third step suggests more drastic measures for lagging performance, including revenue decoupling to support energy efficiency, performance-based employee compensation, and the use of third-party non-profit entities for specific utility functions.

The report argues that smart land use policy is critical for California to meet its 2030 decarbonization goals. Using the RapidFire model and E3 California Pathways data, the study finds that 'More Compact' and 'Infill Focus' scenarios can lead to statewide emissions reductions of 40-41% below 1990 levels when combined with aggressive energy technology deployment. Beyond climate targets, smart growth is projected to deliver significant co-benefits, including billions of dollars in household and infrastructure cost savings, improved public health outcomes through reduced air pollution, and the preservation of greenfield land. The authors recommend that the California Air Resources Board (CARB) strengthen emissions reduction targets under SB 375 and provide substantial funding to support cities and regions in implementing target-compliant land use plans.

The briefing identifies critical areas for negotiation in Bonn ahead of COP21, including the five-year cycle for increasing mitigation ambition, the establishment of a long-term decarbonization goal, and the need for transparency and accountability in emissions reporting. It emphasizes that while 149 countries have submitted Intended Nationally Determined Contributions (INDCs), these plans are insufficient to keep global temperature rise below 2 degrees C without a robust framework for continuous improvement. The document also highlights the necessity of balancing finance between adaptation and mitigation, prioritizing grant finance for vulnerable nations, and addressing 'loss and damage' for impacts that cannot be adapted to.

The fact sheet compares two scenarios for meeting U.S. 2025 decarbonization targets: a 'Policy Solutions' package starting in 2016 and a 'Delayed' scenario starting in 2020. It finds that delaying action by four years would cost nearly $400 billion in lost cumulative savings by 2030 and result in less than three-quarters of the total greenhouse gas abatement over the 15-year period. The document emphasizes that early adoption leverages natural capital stock turnover in vehicles and buildings, whereas delayed action requires more aggressive and costly measures, such as higher carbon taxes and accelerated coal plant retirements, to reach the same 2030 emissions levels.

The Energy Policy Simulator is a real-time, open-source tool that measures the cost and emissions impacts of over 50 climate and energy policies across all greenhouse gas emitting sectors in the U.S. The model, which is peer-reviewed by several national laboratories and universities, allows users to create custom policy scenarios using publicly available data and visualize results via a web application.

The Union of Concerned Scientists finds that significant portions of the U.S. East and Gulf Coast electricity grids are currently exposed to coastal flooding, a risk that will increase as sea levels rise. In the central Gulf Coast specifically, 188 major substations and 20 power plants are currently at risk from a major storm. The report argues that relying on historical flood data is insufficient and recommends a combination of infrastructure adaptation (protection, accommodation, and retreat) and the deployment of decentralized clean energy solutions—such as microgrids and solar with storage—to ensure community resilience and reduce the carbon emissions driving sea level rise.

The Union of Concerned Scientists finds that significant electricity infrastructure along the U.S. East and Gulf Coasts is currently exposed to storm surge, a risk that will increase with sea level rise. In the South Carolina Lowcountry, 54 major substations and seven power plants are currently at risk. The report advocates for adaptation strategies—protection, accommodation, and retreat—and the deployment of decentralized clean energy technologies like microgrids and energy storage to ensure community resilience and reduce carbon emissions.

The report finds that significant portions of the U.S. East and Gulf Coast electricity grids are currently exposed to storm surge, with risks increasing as sea levels rise. In southeastern Virginia, 43 percent of major substations and four power plants are at risk today. The authors advocate for a shift from centralized grids to decentralized, resilient power systems—including microgrids and renewable energy with storage—to maintain critical services during outages and reduce the carbon emissions driving climate change.

The Corporate Leaders Group (CLG) advocates for the phase-out of fossil fuel subsidies by 2025, arguing that these subsidies create perverse incentives that undermine carbon pricing and hinder the transition to a low-carbon economy. The document highlights that eliminating these subsidies could reduce global greenhouse gas emissions by 13% and free up significant government resources, particularly in developing countries where subsidies often exceed healthcare spending. CLG supports the Fossil Fuel Subsidy Reform Communiqué, which calls for transparency, ambition in timeframe, and targeted support for the poorest populations during the transition.