ecotourism in, 169
oil spill near, 84
Garber's spurge, 78
Garter snake, San Francisco, 112
Gas. See Greenhouse gases Gastric-brooding frogs, 109
Gecko, Monito, 112-113
General Agreement on Tariffs and Trade (GATT), 163
Genetic disorders, 122
Genetically modified foods, 146-147
Geological events, 1
Georgia, 90
Giant green iguanas, 155
Giant pandas, 121-122
Giant salamanders, 108
Glaciers, 46
Glen Canyon Dam, 30-31
Glen Canyon National Recreation Area, 30
Global warming
birds, habitat loss from, 132
carbon cycle, 44f
carbon dioxide, effect of forests on, 49 (f3.11)
carbon dioxide emissions from energy consumption, world, 1992-2001, 47f
carbon dioxide sources, 2001, 46 (f3.5)
carbon dioxide, total world emissions of, 1995 and 2035, 46 (f3.6)
clouds, effect on global temperature, 49 (f3.13)
coral reef, 51f
in Earth's history, 41
effects of warming climate, 45-48, 50-51
energy consumption by energy source, U.S., 2001, 48 (f3.9)
energy consumption, U.S., 2001, 48 (f3.8)
greenhouse effect, 42f
greenhouse gas emissions and sinks, U.S., trends in, 1990 and 1995-2001, 45t
greenhouse gas emissions in U.S., change in, 1991-2001, 43 (f3.2)
greenhouse gas emissions, U.S., by gas, 2002, 43 (f3.3)
humans and, 41-45
international efforts relative to, 51-53
Larsen B ice shelf, 50f
methane sources, 2001, 48 (f3.10)
species endangerment from, 7
volcanic eruptions, potential effects on climate/surrounding environment, 49 (f3.12)
Golden-cheeked warbler, 136
Golden eagle, 162
Golden Rock (Myanmar)
animals/plants used in medicine, 157
observations during survey of Golden Rock, Myanmar, April 16-17, 2000, 157t-158t
Golden toad, 106
Goose. See Aleutian Canada goose
Gorillas
killing of, 162
population of, 127
Grand Canyon National Park (AZ)
Colorado River habitats, 30
number of visitors to, 26
Grant County Public Utility District (PUD), 87
Grasshopper, Zayante band-winged, 149
Gray wolf
near extinction of, 8
reintroduction program, 118-119
Gray wolf, Mexican, 119
Gray's monitor, 114
Grazing, 7
Great Barrier Reef, 30, 51
Great Britain, 132-133
Green turtle, 159
Greenhouse effect
global warming and species endangerment, 7
illustration of, 42f
process, 41
Greenhouse gases
carbon cycle, 44f
emissions in U.S., change in, 1991-2001, 43 (f3.2)
emissions trends, 42-43
emissions, U.S., by gas, 2002, 43 (f3.3)
global warming from, 41-42
greenhouse gas emissions and sinks, U.S., trends in, 1990 and 1995-2001, 45t
Kyoto Protocol and, 52
public opinion on global warming, 53
Grizzly bears
recovery zones, 121 (f7.6)
threatened, 121
Guadelupe fur seal, 102-103
Guajón, 109
Guam, 133
Guam rail, 133
Guillemot, black, 50
Guyana, 162
Gypsy moth, 72
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