Lecture 1-Introduction Flashcards
The Environment def
The sum total of our surroundings: Includes all biotic and abiotic factors
biosphere def
the zone on, in and around Earth that supports life
what is the diameter of the
earth
is approx.: 12,742 km
what is Rüppell’s vulture which is possibly the highest flights
11,300 meters
Renewable resources def
a resource which replenishes to overcome resource depletion caused by usage and/or consumption
Non-renewable resources def
does not renew itself at a sufficient rate for sustainable economic extraction in meaningful human time-frames
what does “Tragedy of the commons”(or “the open access problem” mean
used to describe a situation in a shared-resource system where individual users, acting independently according to their own self-interest, behave contrary to the common good of all users by depleting or spoiling that resource through their collective action
what does ‘ecological footprint’ mean
defined as the biologically productive area
needed to provide for everything
people use
what is a guiding principle of environmental science
“Living within our planet’s means”
Circular economy def
a regenerative system where resource input and waste, emission, and energy leakage are minimized by slowing,
closing, and narrowing energy and material loops
what is the difference between Environmental Science and
environmentalism
Environmental Science is Pursuit of knowledge and Objectivity vs Environmentalism is Activism and Social movement