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What Is an Anthropogenic Pollutant? — Reading Comprehension

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This NGSS-aligned science passage explains what an anthropogenic pollutant is and how it affects Earth’s air, water, and soil. It introduces students to pollutants like carbon dioxide, sulfur dioxide, and chlorofluorocarbons (CFCs), which are released from human activities such as burning fossil fuels and using harmful chemicals. The passage highlights health risks, environmental impacts, and ways to reduce pollution through clean energy and better choices. With strong vocabulary and real-world examples, it supports science literacy and aligns with NGSS standards about human impacts on the environment. Ideal for middle school Earth and Environmental Science lessons.

CONTENT PREVIEW

Anthropogenic climate change refers to changes in Earth’s climate that are caused by human activities. The word anthropogenic comes from “anthro,” meaning human, and “genic,” meaning caused by. Unlike natural changes that happen over thousands of years, human-caused climate change is happening much faster—mostly because of the burning of fossil fuels like coal, oil, and natural gas.

When we burn fossil fuels for energy in cars, factories, and power plants, we release greenhouse gases such as carbon dioxide (CO₂) into the atmosphere. These gases trap heat from the sun, causing Earth’s temperature to rise. This is known as the greenhouse effect. Although the greenhouse effect is natural and necessary for life on Earth, adding too many greenhouse gases has made it stronger and is warming the planet at an unnatural rate.

Scientists have found clear evidence that global temperatures have increased since the Industrial Revolution. Melting glaciers, rising sea levels, and more extreme weather—like heatwaves and hurricanes—are all signs of anthropogenic climate change. It affects not only nature but also people, especially in low-lying and hot areas.

Humans also contribute to climate change through deforestation. Trees absorb CO₂, so when forests are cut down, more carbon dioxide stays in the air. Activities like farming and waste production also add to greenhouse gas emissions.

Reducing anthropogenic climate change involves actions like using renewable energy (such as solar and wind), improving energy efficiency, and protecting forests. People can also help by using public transportation, recycling, and conserving energy at home.

Understanding anthropogenic climate change is important for protecting our planet. If people around the world work together, we can reduce its effects and create a healthier future.

Fun Fact: The concentration of CO₂ in the atmosphere today is higher than at any time in at least 800,000 years!

What does “anthropogenic” mean?

Caused by plantsCaused by humansCaused by animalsCaused by oceans

What is the main cause of anthropogenic climate change?

Volcanic eruptionsEarth’s orbitHuman activities like burning fossil fuelsNatural forest fires

Which gas is most linked to human-caused climate change?

NitrogenCarbon dioxideOxygenHelium

What is one result of the greenhouse effect?

Earth cools downTrees grow fasterEarth gets warmerOceans shrink

How does deforestation add to climate change?

It makes soil richerIt reduces CO₂ in the airIt increases greenhouse gasesIt cools the planet

Which of the following can help reduce anthropogenic climate change?