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This fact sheet provides a global overview of high-speed rail (HSR) development, contrasting the extensive networks in Asia and Europe with the limited deployment in the United States. It details the history of HSR, the technical standards for speed, the economic and environmental benefits of rail over air and car travel, and the current status of projects in China, Japan, France, and the U.S.

This guide by GreenCape provides municipal officials in the Western Cape with a framework for implementing and regulating Small Scale Embedded Generation (SSEG), primarily focusing on solar photovoltaic (PV) systems under 1MW. It details the technical components of PV systems, cost trends, tariff design principles, the application process for grid-tied and off-grid systems, and the necessary legal and regulatory standards to ensure grid stability and safety.

This fact sheet from the Environmental and Energy Study Institute explains the role of short-lived climate pollutants (SLCPs)—including black carbon, methane, tropospheric ozone, and hydrofluorocarbons (HFCs)—in global warming. It argues that while carbon dioxide (CO2) is the primary driver of long-term climate change, reducing SLCPs can provide rapid, short-term benefits to slow the rate of warming and improve public health and food security.

This appendix from the IPCC Working Group III report provides a detailed technical summary of various Carbon Dioxide Removal (CDR) methods, comparing their technology readiness levels (TRL), costs, mitigation potentials, and associated risks and co-benefits.