Environmental Science: the field that looks at interactions among humans and nature
System: a set of interacting components that influence one another by exchanging energy or materials
Ecosystem: the living and non-living components of a particular place on earth
Biotic: the living part of the Earth (animals, plants)
Abiotic: the non-living part of the Earth (soil, air, water)
Environmentalist:any person who advocates or work to protect the air,water, animals, plants, and other natural resources from pollution or its effects
Environmental Studies: environmental science, the study of interactions among human systems and those found in nature along with environmental policy, economics, literature and ethics
Ecosystem Services: environments provide life supporting services such as clean water, timber, fisheries, and crops
Environmental indicators: describe the current state of the environment
Sustainability: living on Earth in a way that allows us to use its resources without depriving future generations of those resources
Species: a group of organisms that is distinct from other groups in form, behavior or biochemical properties. Individuals in a species can breed and produce fertile offspring
Speciation: The formation of new and distinct species in the course of evolution
Background Extinction rate: standard rate of extinction in earth’s geological and biological history before humans became a primary contributor to extinctions
Greenhouse Gases: gases in our planet’s atmosphere that act like a blanket, trapping heat near Earth's surface
Anthropogenic: caused by human activities
Development: A specified state of growth or advancement
Sustainable development: development that balances current human well-being and economic advancement with resource management for the benefit of future generations
Biophilia: love of life & natural world
Ecological footprint: The sum of an