Submitted by admin on Tue, 04/08/2014 - 23:46
definition:
The impact on the environment of human activity in terms of pollution, damage to ecosystems, and the depletion of natural resources
sentence:
Music streaming can be bad for your carbon footprint - the computer has to be on to play audio files from its hard drive.
difficulty:
medium
toefl frequency:
3
toefl classification: