| Following
is a list of freeware that provides information and tools for managing carbon and conserving energy. To
learn more about a particular item, click on the item name. To
download a software product or visit an interactive web site,
click on "download" or "view," respectively.
But first, please read our disclaimer and
permissions page if you haven't already done so.
Acid Rain Program Forms
By US Environmental Protection Agency, Acid Rain Program. Forms required under the US EPA's Acid Rain Program, including those required for the Allowance System, Permitting, Monitoring, the Opt-In Program, Annual Reconciliation, the Allowance Auction, and Conservation and Renewable Energy Reserve. The forms are in PDF and WordPerfect formats.
download
BTS Core DataBook
By Department of Energy's Office of Building Technology, State and Community Programs (BTS). Data related to energy use in commercial and residential buildings. Topics include: energy consumption and expenditures; end-use splits; geographic region and vintage; construction statistics; and, estimated carbon emissions. Tables are fully indexed, and can be viewed as HTML or PDF formats or downloaded as a spreadsheet (tab-delimited) file. The entire DataBook can be downloaded as a PDF file (registration required).
download
Carbon Footprint Calculator
By Carbon Footprint Ltd. Calculates your carbon footprint for your home and transportation. A carbon footprint is a measure of the impact our activities have on the environment, and in particular climate change. Also includes ways to purchase carbon offsets.
visit
Eco Index
By The Outdoor Industry Association & European Outdoor Group. The Eco Index is an environmental assessment tool designed to advance sustainability practices within the outdoor industry. It provides companies throughout the supply chain a way to benchmark and measure their environmental footprint, allowing them to identify areas for improvement and make informed sourcing and product life cycle decisions.
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EcoCalculator
By Athena Sustainable Materials Institute. The EcoCalculator offers architects, engineers and others access to instant Life Cycle Assessment (LCA) results for hundreds of common building assemblies. Available in two versions: EcoCalculator for Commercial Assemblies and EcoCalculator for Residential Assemblies.
download
eGRID
By US Environmental Protection Agency, Acid Rain Program. The Emissions & Generation Resource Integrated Database (eGRID) is a comprehensive inventory of environmental attributes of electric power systems. The preeminent source of air emissions data for the electric power sector, eGRID is based on available plant-specific data for all U.S. electricity generating plants that provide power to the electric grid and report data to the U.S. government. eGRID contains air emissions data for nitrogen oxides, sulfur dioxide, carbon dioxide, and mercury.
download
Energy Star Products
By US Environmental Protection Agency and US Department of Energy. Helps you make the most economical purchases for your facilities and home with a simple estimate of potential energy savings.
visit
Energy Unit Converter
By The JavaScript Source. Use this online calculator to convert from one unit of energy to another, including Joules, Kg-meters, ft-lbs, Kw-hrs, Kcal, Btus, and more.
visit
Google PowerMeter
By Google. Google PowerMeter is a free electricity usage monitoring tool that provides you with information on how much electricity your home is consuming. Works with several utilities and instruments.
download
Green Conference Initiative
By US Environmental Protection Agency, Office of Pollution Prevention and Toxics (OPPT). Opportunities for conference planners and suppliers (e.g., hoteliers, convention centers, and food service providers) that can help reduce pollution, energy use, and water use at a conference.
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Heat Transmission Properties of Insulating and Building Materials
By National Institute of Standards and Technology. A reference for building designers, material manufacturers, and researchers in the thermal design of building components and equipment.
visit
HOMER
By National Renewable Energy Laboratory (NREL). A computer model that simplifies the task of evaluating design options for both off-grid and grid-connected power systems for remote, stand-alone, and distributed generation (DG) applications. HOMER's optimization and sensitivity analysis algorithms allow you to evaluate the economic and technical feasibility of a large number of technology options and to account for variation in technology costs and energy resource availability.
download
iCarbonCalc
By PE International. CarbonCalc is an iPhone/iPod/iPad application that helps you to determine your contribution to global warming. Result diagrams and charts help you understand the composition of your carbon footprint and to identify potential carbon savings. You can also define target values to work towards.
download
Landfill Gas Emissions Model (LandGEM)
By US Environmental Protection Agency, Office of Air Quality Planning and Standards (OAQPS). Estimates emission rates for methane, carbon dioxide, nonmethane organic compounds, and individual toxic air pollutants from landfills. The program can also be used by landfill owners and operators to determine if a landfill is subject to the control requirements of the federal New Source Performance Standard (NSPS) for new municipal solid waste (MSW) landfills (40 CFR 60 Subpart WWW) or the emission guidelines for existing MSW landfills (40 CFR 60 Subpart Cc).
download
Proform
By Lawrence Berkeley National Laboratory. ProForm is a software tool designed to support a basic assessment of the environmental and financial impacts of renewable energy and energy efficiency projects. Given the necessary data, ProForm calculates basic financial indicators and avoided emissions of CO2 and local air pollutants expected from a project. Registration required.
download
Residential Energy Efficiency
By US Environmental Protection Agency and Purdue University. Shows effective ways to reduce home energy consumption. Topics include insulation, windows, doors, weather-stripping, and caulking. The expert system feature allows users to calculate how much they will save by making their homes more energy efficient. After you enter information about your home and the energy-saving changes you intend to make, the program uses local utility and climate data to calculate your savings in money, energy, and reduction of pollutants. Useful for everyone from the general public to utility managers.
download
RETScreen Renewable Energy Project Analysis Software
By CANMET Energy Diversification Research Laboratory (CEDRL) of Natural Resources Canada. With RETScreen, users are able to prepare a preliminary evaluation of the annual energy production, costs and financial viability of Renewable Energy Technology (RET) projects anywhere in the world. The software runs on Microsoft Excel
download
U.S. Life-Cycle Inventory Database
By National Renewable Energy Laboratory (NREL). This database provides a cradle-to-grave accounting of the energy and material flows into and out of the environment that are associated with producing a material, component, or assembly. It's an online storeroom of data collected on commonly used materials, products, and processes.
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Zerofootprint Kids Calculators
By Zerofootprint. Zerofootprint lets kids calculate their unique carbon footprint profiles and compare them with their classmates or even with students living in other parts of the world. The application will support competitions and challenges between classes or other groups. It will also aggregate the combined footprint of an entire school - or segments of it.
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