What is environmental monitoring? Explain the three methods used in environmental monitoring

Environmental monitoring is a crucial aspect of environmental geography that involves the systematic collection, analysis, and interpretation of data to understand the state of the environment and its changes over time. It encompasses various natural resources such as air, water, soil, and biodiversity, as well as human-made impacts like pollution, deforestation, and habitat destruction. The primary goal of environmental monitoring is to assess the health of ecosystems, detect potential environmental hazards, and inform decision-making processes to mitigate negative impacts on both the environment and human health.

There are three main methods used in environmental monitoring:

1. Remote Sensing:
   Remote sensing involves the collection of data from a distance using sensors mounted on satellites, aircraft, drones, or ground-based instruments. These sensors capture electromagnetic ___ __________ _________ ___ ________ _______ ______.
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