Human Impact on Earth for Kids: How Our Choices Affect Earth (Grade 6 and Grade 7 Science)

Hi, I'm Luna from DoodleBeez. Over eight billion people share our planet. Everything we eat, build and use comes from Earth. Today we will explore how our choices change the land, water and air, and what we can do to help.

To make room for farms, cities and roads, people clear forests and fill in wetlands. This is called habitat loss. When animals lose their homes, many species become endangered, and some disappear forever.

Water gets polluted too. Fertilizer from farms can wash into lakes and make algae grow out of control. Plastic waste ends up in rivers and oceans, where sea animals can swallow it or get tangled.

Burning fossil fuels like coal, oil and gas in cars and power plants releases carbon dioxide. This gas traps heat in the atmosphere. Scientists measure rising temperatures, melting ice and rising sea levels around the world.

To fix a problem, we first need to measure it. Scientists use satellites to track forests from space, test water samples for pollution, and use sensors to check air quality. The data shows where help is needed most.

Then we design solutions. Planting trees and protecting parks restores habitats. Wind and solar power cut air pollution. And everyone can help by reducing waste, reusing, recycling, and saving water and energy.

Now it's your turn. A town finds lots of plastic washing into its river. Think of one way to reduce this problem. Pause and try. You could use reusable bottles and bags, recycle more, or organize a river cleanup.

Great job! People change the land, water and air through habitat loss, pollution and burning fossil fuels. By measuring our impact and choosing wisely, we can protect Earth. Practice human impact on Earth in the Science Lab at doodlebeez.com. See you next time!