1-5 Flashcards
What is environmental science?
Study of human impacts
What does sustainable use ensure?
Adequate supply for future generations
What is not sufficient to prove causation?
Simply observing correlation
How many species are going extinct each year?
40,000 or more
What are the key areas of focus in environmental science?
Pollution, biodiversity, emissions
What indicates unsustainable use?
Rapid resource depletion
What do changes in one part of a system affect?
Other parts
What are increasing due to human activity?
Greenhouse gases
What are key aspects of the environment that indicate its health?
Environmental indicators
What human activity increases carbon dioxide levels?
Combustion of fossil fuels
What is the largest system studied by environmental scientists?
Earth
What is causing global temperature increase & climate change?
Human activity
What are the 6 categories of environmental indicators?
Biodiversity, Population, Food, Resources, Temperature, Pollution
What has increased due to rising carbon dioxide levels?
Global temperatures
What do environmental systems exchange?
Matter and energy
What does sustainability mean?
Resource consumption for future generations
What is the chemical symbol for lead?
Pb
Name an important material in environmental systems.
Water
What does resource consumption indicate?
Worsening state of environment
