Fuel cars and airplanes, power electricity plants, and heat our homes.
<span>The pope required that the monarchs make them convert to Christianity.</span>
Humans affect the physical environment in numerous ways: overpopulation, contamination, burning fossil powers, and deforestation. Changes like these have triggered climate alter, soil erosion, poor air quality, and undrinkable water. These negative impacts can influence human behavior and can provoke mass migrations or battles over clean water.
