Which technology is used to monitor environmental impacts through satellite data and sensors?

• A. None
• B. Manual guesswork
• C. Satellite imagery and sensors
• D. Traditional surveys only

Answer: (C)

Monitoring environmental impacts with satellite data and sensors relies on remote sensing: collecting information about the Earth from space and from on-the-ground instruments to track changes over time. This technology is the best fit because it provides broad geographic coverage, frequent observations, and objective measurements that aren’t feasible with manual guesswork or traditional field surveys alone. Satellite imagery, combined with various sensors, lets you monitor things like deforestation, urban growth, vegetation health, water quality indicators, and climate-related changes across large areas consistently. Ground surveys and manual guessing can be accurate in small areas, but they’re time-consuming, place-specific, and harder to scale to the global or regional scales needed for environmental monitoring—where satellite-based methods excel.