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Establishing the Leakage Rates of Mobile Air Conditioners

Description: The purpose of the study is to - based on field measurements - determine the average annual leakage rate of HFC-134a from MACs in the European Union of a "second generation"1 air conditioner. From November 2002, to January 2003 300 measurements of HFC-134a leakage were carried out on air conditioners of cars up to seven years age. The measurements were carried out on vehicles of all EU relevant makes at 19 garages in Germany (Osnabrück), Portugal (Rio Maior) and Sweden (Helsingborg) reflecting … more
Date: April 17, 2003
Creator: Schwarz, Winfried & Harnisch, Jochen
Partner: UNT Libraries
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Interactions of the EU ETS with Green And White Certificate Schemes: European Commission Directorate-General Environment

Description: The European Union Emissions Trading Scheme ('EU ETS') began on 1 January 2005. The implementation of the EU ETS has raised interest in market-based approaches to achieving environmental and related public policy goals in the EU, particularly those related to promotion of renewable energy and energy efficiency. Indeed, national and regional markets in tradable green certificates ('TGCs') and (to a lesser extent) tradable white certificates ('TWCs') already exist. Green certificate schemes are e… more
Date: November 17, 2005
Creator: NERA Economic Consulting
Partner: UNT Libraries
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NOAA Makes New Tree Ring Data Available

Description: New data from tree rings from 500 sites around the world are now available from NOAA. These data are important because they provide climate scientists and resource managers with records of past climatic variability extending back thousands of years.
Date: October 17, 2001
Creator: NOAA News
Partner: UNT Libraries
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NOAA Reports Potent Greenhouse Gas Levels Off

Description: This document provides a summary of a study by NOAA researchers and National Institute for Space Research in the Netherlands. According to the study, one of the atmosphere's most potent greenhouse gases, methane, may now have leveled off. Scientists aren't sure yet if this "leveling off" is just a temporary pause in two centuries of increase or a new state of equilibrium.
Date: November 17, 2003
Creator: NOAA News Online
Partner: UNT Libraries
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