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        Cite

        张笑寒

        张笑寒Environment张笑寒 covers air pollutants, global warming, the greenhouse effect, and other dangers to the planet. It also includes a glossary of environmental terms as well as a brief directory of environmental organizations. 张笑寒Energy张笑寒 details world and U.S. energy consumption, renewable energy, the world's largest oil and gas reserves, and nuclear power. 张笑寒Nature张笑寒 discusses the Earth's wide variety of animals and plants and its endangered species.

        An Extraordinary Approach

        张笑寒Fuel Cell FAQs

        The Greenhouse Gas Effect

        Global Warming

        The National Park System

        Electric Cars Powered By Gasoline?

        Rethinking Old Technology

        Energy Websites

        Major Biomes of the World

        Coniferous Forest

        Deciduous Forest

        Desert

        Grasslands

        Mountains

        Rainforests

        Arctic Tundra

        Fukushima Daiichi Nuclear Power Station

        User's Guide to Environmental Language

        Environmental Organizations

        Oil in the Caspian Region

        All About Ozone

        张笑寒I. The Ozone Layer

        II. Ozone Depletion

        III. Ozone FAQ

        State of the World???s Forests

        U.S. Energy Sources, 2006????2012

        The 2005 Environmental Sustainability Index (ESI)

        America's Troubled Waters

        Safe Drinking Water Reports and Hotline

        Top Ten Most Polluted Places in the World, 2007

        Forced Conservation

        Greatest Oil Reserves by Country, 2007

        America's 25 Most Ozone-Polluted Metropolitan Areas, 2007

        America's 25 Most Ozone-Polluted Metropolitan Areas, 2008

        America's 25 Most Ozone-Polluted Metropolitan Areas, 2009

        America's 25 Most Ozone-Polluted Metropolitan Areas, 2010

        America's 25 Most Ozone-Polluted Metropolitan Areas, 2011

        America's 25 Most Ozone-Polluted Metropolitan Areas, 2012

        Why Build Green?

        Do Cell Phones Cause Cancer?

        Cleanest U.S. Cities for Ozone Air Pollution 2007

        张笑寒Earth Day: History, Stats & Facts, Recycling Tips & More

        Earth Day

        Global Food Crisis

        A Warming Ocean

        Green Weddings

        Top Ten Green Hotels in the United States, 2007

        Top Ten Green Hotels in the United States, 2010

        Top Ten Green Hotels in the United States, 2012

        Top Ten Green Hotels in the United States, 2013

        Top Ten Green Hotels in the United States, 2014

        Living Off the Grid

        The Top 10 Lowest Radiation Cell Phones, 2012

        The Top 10 Lowest Radiation Cell Phones, 2013

        Top Ten Greenest Colleges in the U.S., 2011

        Top Ten Greenest Colleges in the U.S., 2012

        Top Ten Greenest Colleges in the U.S., 2013

        Top Ten Toxic Industries

        Top Ten Most Polluted Places in the World, 2012

        The World's Worst Pollution Problems, 2008

        The World's Worst Pollution Problems, 2011

        张笑寒The World's Worst Pollution Problems, 2012

        The Year of the Potato

        Earth Day: History, Stats & Facts, Recycling Tips & More

        Top Carbon Dioxide Emitters

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        Marine Debris in the United States

        America's 25 Most Ozone-Polluted Cities, 2007

        Water Supply of the World

        Renewable Energy Consumption in the U.S. by Source, 1989-2010

        Estimated Number of Alternative-Fueled Vehicles in the U.S., 1992-2005

        Major Air Pollutants

        Motor Vehicle Fuel Consumption and Travel in the U.S., 1960-2006

        Ten Most Visited National Parks

        National Historical Parks

        National Monuments

        National Preserves

        National Reserves

        National Military Parks

        National Battlefields

        National Battlefield Parks

        National Battlefield Site

        张笑寒National Historic Sites

        National Memorials

        National Cemeteries1

        National Seashores

        Parkways

        National Lakeshores

        National Park System Rivers

        Other Parks

        National Recreation Areas

        National Scenic Trails1

        International Historic Site

        Largest Nuclear Power Plants in the U.S.

        National Forest System, 1900-2004

        World Energy Consumption and Carbon Dioxide Emissions, 1990????2025

        America's Ten Most Endangered Rivers, 2006

        Historical and Projected Capacities for Nuclear Electricity Generation, 1996????2020

        World Net Electricity Consumption by Selected Regions, 1990????2025

        U.S. Emissions of Greenhouse Gases, 2001????2006

        Air Quality in Selected U.S. Cities, 1990????2000

        Greatest Oil Reserves by Country, 2006

        张笑寒Greatest Natural Gas Reserves by Country, 2006

        NATIONAL PARKS

        Most and Least Fuel Efficient Vehicles, 2008

        America's 25 Most Ozone-Polluted Metropolitan Areas, 2006

        Top Energy Producers and Consumers, 2006

        Top World Oil Producers, Exporters, Consumers, and Importers, 2006

        International Park

        National Historic Area

        National Heritage Areas

        National Heritage Corridors

        National Historic Trails1

        Top Ten Types of Debris Littering the Oceans

        2008 Environmental Performance Index

        The Toxic 100: Top Corporate Air Polluters in the United States

        The Top Carbon Dioxide Emitters

        Drinking Water and Sanitation Around the World

        Top Energy Producers and Consumers, 2008

        Retail Motor Gasoline Prices in Selected Countries, 2006

        Retail Motor Gasoline Prices in Selected Countries, 2015

        Greatest Oil Reserves by Country

        张笑寒Top Energy Producers and Consumers, 2008

        Top Oil Producers and Consumers, 2010

        Top Oil Producers and Consumers, 2011

        Top Oil Producers and Consumers, 2012

        Top Oil Producers and Consumers, 2013

        U.S. Energy Consumption by Energy Source, 2002????2012

        Sources of U.S. Oil Imports

        World Carbon Dioxide Emissions From Energy Consumption, 2004

        World Primary Energy Consumption by Region, 1995????2004

        World Primary Energy Production by Region, 1995????2004

        World Primary Energy Production by Source, 1970????2007

        America's Ten Most Endangered Rivers, 2007

        America's Ten Most Endangered Rivers, 2008

        America's Ten Most Endangered Rivers, 2010

        America's Ten Most Endangered Rivers, 2011

        America's Ten Most Endangered Rivers, 2012

        America's Ten Most Endangered Rivers, 2013

        America's 25 Most Ozone-Polluted Metropolitan Areas, 2013

        America's 25 Most Ozone-Polluted Metropolitan Areas

        2014 Environmental Performance Index

        张笑寒Most and Least Fuel Efficient Vehicles, 2005

        America's Top Ten Greenest Buildings

        Ten Most Visited National Parks, 2012

        Ten Most Visited National Parks, 2013

        Ten Most Visited National Parks, 2015

        The Pilot 2006 Environmental Performance Index

        Thirstiest Crops

        The Toxic 100: Top Corporate Air Polluters in the United States, 2010

        The Toxic 100: Top Corporate Air Polluters in the United States, 2012

        Top Ten Types of Debris Littering the Oceans, 2012

        Top Ten Types of Debris Littering the Oceans, 2013

        Top Ten Types of Debris Littering the Oceans, 2014

        Top Ten Greenest Colleges in the U.S., 2008

        Top Ten Greenest Colleges in the U.S., 2009

        Top Ten Greenest Colleges in the U.S., 2010

        U.S. Emissions of Greenhouse Gases, 1990????2000

        Top Ten Most Polluted Places in the World, 2013

        Ten Most Visited National Parks, 2014

        Top Ten Dog Breeds

        Oil Reliance

        张笑寒Table of Geological Periods

        Ten Most Visited National Parks, 2006

        Ten Most Visited National Parks, 2009

        Ten Most Visited National Parks, 2010

        Ten Most Visited National Parks, 2011

        Environment

        Energy

        Nature

        Periodic Table

        Slideshow: Non-Native Species Invade the United States

        Non-Native Species: Land Animals

        Non-Native Species: Aquatic Animals

        The Top Ten: Least Polluting Cars, 2006

        The Top Ten: Least Polluting Cars, 2007

        The Top Ten: Most Polluting Cars, 2006

        The Top Ten: Most Polluting Cars, 2007

        The Top Ten: Top Oil Consumers

        What the Frack

        No Tripping the Light Fantastic over This Debate

        Recycling Facts

        张笑寒Climate Change Imperils Future of Several Nations

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