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INDEX I-3<br />

Sweetwater Marsh National Wildlife<br />

Refuge, 181<br />

Ward Valley, 360<br />

water use and, 383<br />

Yosemite National Park, 250, 250f<br />

Callendar, Gary Stewart, 433–434<br />

Calorie intake, worldwide, 216, 217f<br />

Cameroon, Lake Nyos, 187–188, 188f<br />

Canada<br />

Alberta, 322, 322f<br />

Butchart Gardens, Vancouver Island, 180,<br />

180f<br />

Lake Moraine, 89f<br />

overfishing and, 139<br />

tar sands and, 322, 322f<br />

Wood Buffalo National Park, 263<br />

Canary Islands, Tenerife, 331f<br />

Canberra, Australia, 530<br />

Cancer, 186, 200<br />

Cap-and-trade, carbon dioxide emissions and,<br />

128–129, 129f<br />

Cap rocks, 306<br />

Cape Wind Project, 341–342, 342f<br />

Carbon, stored in vegetation, 33, 33t<br />

Carbon-14 records, 440, 440f<br />

Carbon cycle, 117–119, 118f<br />

Carbon dioxide<br />

air pollution and, 466<br />

emissions, 128–129, 129f<br />

ice core me<strong>as</strong>urements and, 438<br />

<strong>as</strong> indoor air pollutant, 488t<br />

<strong>as</strong> major greenhouse g<strong>as</strong>, 443<br />

m<strong>as</strong>sive natural rele<strong>as</strong>e of, 187–188, 188f<br />

Carbon monoxide, 477, 488t<br />

Carbon sequestration, 456<br />

Carbon-silicate cycle, 119–120, 119f<br />

Carcinogens, 188<br />

Carlsbad, New Mexico, 361<br />

Carnivores, 84<br />

Carnot, Sadi, 293<br />

Carrying capacity, 10, 10f, 66, 260–262, 261<br />

Carson, Rachel, 5<br />

C<strong>as</strong>e fatality rate, 63t<br />

Catalytic chain reactions, 483<br />

Catalytic converters, 477<br />

Cat<strong>as</strong>trophes <strong>as</strong> experiments, 31<br />

Catch per unit, 265<br />

Catchment, 116<br />

Catskill Mountains, New York, 402, 402f<br />

Cattle, grazing of, 177<br />

Cause-specific death rate, 63t<br />

Cell phones, 520–521, 520f, 521t<br />

Central Park, New York City, 506<br />

Centralia, Pennsylvania, 319<br />

Certification of forest practices, 246–247<br />

Cesium-137 rele<strong>as</strong>e, 355f<br />

Chain reaction, 348<br />

Challenger space shuttle, 32<br />

Chandeleur Beach, Louisiana, 553f<br />

Chandraprabha Sanctuary, India, 280<br />

Channel Islands, Southern California,<br />

178–179, 178f<br />

Channelization, 174–175, 174f<br />

Chao Phraya River, Thailand, 232<br />

Chemical cycling, 99, 99f<br />

Chemical elements, 111–112, 111f<br />

Chemical fertilizers, 223<br />

Chemical weathering, 116<br />

Chemoautotrophs, 93<br />

Chemosynthesis, 91<br />

Chernobyl nuclear power plant, Soviet Union,<br />

357, 359–360, 360f<br />

Chesapeake Bay fisheries, 267, 268f<br />

Chicago, Illinois, 383<br />

Childbearing age, zero population growth and,<br />

74–75<br />

Children<br />

childhood cancer, 186<br />

death from malnutrition and, 6<br />

electromagnetic fields and, 200<br />

lead toxicity and, 207, 207f<br />

Chimney effect, 490<br />

China<br />

aquaculture and, 230<br />

Beijing, 463f<br />

electronic w<strong>as</strong>te and, 535, 535f<br />

Huang He River, 232<br />

phosphorous reserves and, 123<br />

Three Gorges Dam, 390–391, 391f<br />

tower karst, 114, 115f<br />

wind power potential and, 338<br />

Chlorine, drinking water and, 414<br />

Chlorine chain reactions, 483<br />

Chlorine chemistry, 483–484<br />

Chlorine treatment, w<strong>as</strong>tewater, 417<br />

Chlorofluorocarbons (CFCs), 73, 444, 483,<br />

486<br />

Chloroquine, 151<br />

Chronic dise<strong>as</strong>e, 72<br />

Chronic effects, pollutants and, 205<br />

Chronic patchiness, ecological succession and,<br />

99–100, 100f<br />

Circulation, atmospheric, 435–436, 435f<br />

Cities<br />

<strong>as</strong> an environment, 508–510<br />

animal pests and, 514–515<br />

bringing nature to, 511–515<br />

center of civilization and, 505<br />

city <strong>as</strong> a system, 499–500, 500f<br />

city planning, 506–508<br />

energy budgets and, 508<br />

environmental history of, 505<br />

fall lines and, 501–502, 501f<br />

ideal locations for, 502–504<br />

industrial metropolis and, 505<br />

life in, 499<br />

location of, 500–504, 502f<br />

parks and, 506–507<br />

pollution and, 510<br />

rivers and, 511<br />

site and situation importance, 500–502<br />

site modification and, 504<br />

soils and, 510<br />

solar energy in, 509<br />

urban atmosphere and climate, 509<br />

urban centers and, 505<br />

vegetation in, 512–513<br />

water and, 509–510<br />

wildlife and endangered species and,<br />

513–514, 515f<br />

Citizens actions, 562<br />

Citrus greening, 144–145, 144f, 145f<br />

Cl<strong>as</strong>sical stability, 44<br />

Clean Air Act, 478<br />

Clean Water Act, 399, 421–422<br />

Clearcutting, 245, 246f, 409f<br />

Clearwater, 400, 511<br />

Cleveland, Grover, 558<br />

Climate. See also Greenhouse effect<br />

albedo effects and, 447<br />

atmospheric transparency and, 446–447<br />

carbon-14 records and, 440, 440f<br />

causes of change in, 445–447<br />

characteristics of, 431<br />

chemistry of life ad, 447<br />

climate forcing, 447, 448f<br />

climatic similarity, 161–162, 162f<br />

computer simulations and, 450–451<br />

coral growth and, 440<br />

<strong>Earth</strong>’s surface and, 447<br />

El Niño and, 449<br />

experiments and laboratory research and,<br />

450<br />

feedback loops and, 444–445<br />

forec<strong>as</strong>ting change and, 450–451<br />

general circulation models and, 451, 451f<br />

historical records and, 438<br />

ice cores and, 438–439, 438f<br />

instrumental records and, 438<br />

laboratory research and, 450<br />

Milankovitch cycles and, 445–446, 446f<br />

negative feedback loops and, 444<br />

oceans and, 448–449, 449f<br />

p<strong>as</strong>t observations and, 450<br />

polar amplification and, 451<br />

positive feedback loops and, 445<br />

potential rates of change and, 451<br />

precipitation and temperature conditions<br />

and, 431, 432f, 433f<br />

proxy data and, 438–440<br />

sediment samples and, 439–440, 439f<br />

solar cycles and, 446<br />

study of, 438–440<br />

time scales and, 432, 433f<br />

tree ring chronology and, 439, 439f<br />

urban atmosphere and, 509<br />

Closed systems, 44<br />

Coal, 314–321<br />

allowance trading and, 321<br />

converting to oil, 320<br />

future of, 320–321<br />

mountaintop removal and, 317–319, 319f<br />

peat transformation into, 314, 314f<br />

scrubbing, 320<br />

strip mining and, 316–317, 317f<br />

sulfur content of, 314–315<br />

syng<strong>as</strong> and, 320<br />

transportation of, 319–320<br />

underground mining and, 319<br />

U.S. reserves, 314–315, 315f, 316t<br />

world coal reserves, 315f<br />

Coal-bed methane, 309–310<br />

Coal dust, 317<br />

Coal fires in underground mines, 319<br />

Coal g<strong>as</strong>ification, 477<br />

Coal Oil Point, Santa Barbara, 105–106,<br />

105f–106f<br />

Co<strong>as</strong>tal erosion, 452<br />

Co<strong>as</strong>tal flooding, 452<br />

Co<strong>as</strong>tal wetlands, Louisiana, 419, 419f<br />

Cod fishing, 267

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