ch 4 Flashcards
anthropocene
modern geological era during which humans have dramatically affected the gloabl environment
climate change
any change in climate over time, whether due to natura variability or as a result of human acitivity
columbian exchange
interaction between the old world (europe) and the new world (americas) initiated by tge voyages of columbus
conservation
natural resources should be usd thoughtfully and that humans should serve as stewards, not exploiters of the natural world
deforestation
permanent clearing and destruction of forests
demographic collapse
phenomenon of near genocide of indigenous populations
ecological footprint
measure of the biologically productive land area needed to support a population by providing for its needs and absorbing its wastes
ecological imperialism
introduction of exotic plants and animals into new ecosystems
ecosystem
community of diff species interacting with one another and with the large physical environment that surrounds them
global change
combination of political, economic, social, historical and environmental problems at the world scale
greenhouse gas (GHG)
any gas that absorbs infrared radiation in the atmosphere, oncluding but not limited to, water vapour, C)2, CH4, N2O
nature
social creation as well as the physical universe that includes human beings
preservation
approach to nature advocating that certain habitats, species and resources should remain off limits to human use, regardless of whether the use maintains or depletes the resource in question
society
sum of inventions, institutions and relationships created and reproduced by human beings across particular places and times
technology
physical objects or artifacts, activities or processes and knowledge or know how