Human environment interaction are essentially the ways in which humans affect their environment and how they are affected by their environment. In Italy examples of this could be Italians who fish the Mediterranean coastal waters. Other examples could be Italians who farm or Italian factories which release pollutants into the environment. Any number of events could count as human environment interactions.
Smaller scale has less variables and correlations to be based on while a larger scale has a bigger amount of mathematical numbers to be based on
Fossil aren't the only cause of global warming. Many human activities are causing global warming. Most come from the combustion of fossil fuels in cars, factories and electricity production.
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conservation, international agreements, managed use,
public awareness