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Level 24

Chapter 25 and Supplements


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Environmental Worldviews
How people think the world works and what they believe their role in the world should be
Environmental Ethics
What one believes about what is right and what is wrong in our behavior to the environment
Planetary Management worldview
Worldview holding that humans are sperate from nature, that nature exists mainly to meet our needs and increasing wants, and that we can use our ingenuity and technology to manage the earth's life-support systems, mostly for our benefit. It assumes economic growth is unlimited.
Stewardship Worldview
Worldview holding that we can manage the earth for our benefit but that we have an ethical responsibility to be caring and responsible managers, or stewards, of the earth. It calls for encouraging environmentally beneficial forms of economic growth and discouraging environmentally harmful forms.
Environmental Wisdom Worldview
Worldview holding that humans are part of and totally dependent on nature and that nature exists for all species, not just for us. Our success depends on learning how the earth sustains itself and integrating such environmental wisdom into the ways we think and act.
Frontier environmental worldview
View held by European colonists settling North AMerica in the 1600s that the continent had vast resources and was a wilderness to be conquered by settlers clearing and planting land.
Environmental Movement
Citizens organized to demand that political leaders enact laws and develop policies to curtail pollution, clean up polluted environments, and protect unspoiled areas from environmental degradation.
Acidic Solution
Any water solution that has more hydrogen ions than hydroxide ions; any water solution with a pH less than 7.
Basic Solution
Water solution with more hydroxide ions than hydrogen ions; water solution with a pH greater than 7.
pH
Numeric value that indicates the relative acidity or alkalinity of a substance on a scale of 0 to 14, with the neutral point at 7. Acid solutions have pH values lower than 7; basic or alkaline solutions have pH values greater than 7
Complex Carbohydrates
Consist of two or more monomers of simple sugars linked together.
Proteins
Large polymer molecules made by linking together long chains of monomoers called amino acids
Nucleic acid
Large polymer molecules made by linking hundreds to thousands of four types of monomoers called nucleotides
Lipids
A chemically diverse group of large organic compounds that do not dissolve in water.
Weather
Short-term changes in the temperature, barometric pressure, humidity, precipitation, sunshine, cloud cover, wind direction and speed, and other conditions in the troposphere at a given place and time.
Front
The boundary between two air masses with different temperatures and densities.
Warm Front
Boundary between an advancing warm air mass and the cooler one it is replacing. Because warm air is less dense than cool air, and advancing warm front rises over a mass of cool air.
Cold Front
Leading edge of an advancing mass of cold air.
High
Air mass with a high pressure.