(Sep 2, 2015) The Administration is expanding its Climate Data Initiative (CDI) and Climate Resilience Toolkit (CRT) to include a new “Arctic” theme. The Arctic theme will encompass more than 250 Arctic-related datasets (32 of which are being made available for the first time), and more than 40 maps, tools, and other resources designed to support climate-resilience efforts in Alaska and the Arctic, including seven “Taking Action” case studies in key areas of climate-change risks and vulnerability for Alaska and the Arctic. The Administration also recently expanded the CRT to include a new “Tribal Nations” theme, comprised of more than 40 resources—with more to be added in the future—to assist Tribal nations in climate-change planning, adaptation, and mitigation. Resources include a comprehensive Tribal Climate Change Adaptation Planning Toolkit, and a set of guidelines for considering traditional knowledge in climate change initiatives. These datasets and resources are now cataloged on, respectively,climate.data.gov and toolkit.climate.gov, making them easier for innovators, decision makers, and interested members of the public to find and use. In addition, the Administration is engaging the private sector around the CDI and CRT to help accelerate the development and deployment of products, tools, and applications powered by open Arctic data to help Alaskan and other northern communities better understand their vulnerability to, and prepare for, the impacts of climate change.