In this interactive, students can investigate a typical hydrogen fuel cell prototype car from its fuel cell stacks to its ultracapacitor, a kind of supplementary power source.

The limited-production vehicle seen in this feature is a Honda 2005 FCX, which is typical of the kinds of hydrogen fuel cell cars that some major automakers are now researching and developing.

This video is one of a series from the Switch Energy project. It reviews the environmental impacts of various energy resources including fossil fuels, nuclear, and renewables. CO2 emissions as a specific environmental impact are discussed.

In this activity, students learn about the pros and cons of co-firing woody biomass fuels with coal to produce electricity.

This video is one of a series produced by the Switch Energy project. It reviews the pros and cons of natural gas as a source of energy.

This video highlights the benefits of electric vehicles, including improved fuel efficiency, reduced emissions, and lower maintenance costs.

U.S. Submits 2014 Climate Action Report to UNFCCC

The U.S. Department of State has submitted its 2014 Climate Action Report to the United Nations Framework Convention on Climate Change (UNFCCC). The report details actions the United States is taking domestically and internationally to mitigate, adapt to, and assist others in addressing climate change.

U.S. Energy Sector Vulnerabilities to Climate Change and Extreme Weather

The U.S. Department of Energy released this report in July 2013 as part of the President's efforts to support planning for climate change & U.S. energy security.  The report examines current and potential climate-related impacts on the energy sector and identifies activities to address these challenges.

The President's Climate Action Plan

In a speech at Georgetown University on June 25, President Obama announced a series of executive actions to reduce carbon pollution, prepare the United States for the impacts of climate change, and lead international efforts to address global climate change.

Southwest Climate Change Network

The Southwest Climate Change Network is a virtual community for scientists, other experts, decision makers, and the public to share information on climate change and collaborate on solutions. The site provides static and dynamic content and encourages readers to engage with each other and the scientists behind the site and ask questions about what matters to them when it comes to climate in the Southwest.

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