Describe one environmental effect that humans are having on our freshwater supply.

Humans can have a major impact on freshwater systems through water overuse. The same waterways that support wildlife and plants also provide municipal water for cities and towns, and when consumption outstrips the natural regeneration of these waterways, it can negatively affect the ecosystem.

Answer: As a result, most water becomes polluted by human activities. These include: throwing sewage and industrial waste into rivers and oceans, using harmful fertilizers, and even littering. All of these human activities affect our water sources ... Water pollution affects the plants, animals, and soil around the river.

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