In this Grade 3 Social Studies Alive! California's Communities lesson, students explore how everyday activities like driving cars and running factories cause air pollution, oil spills, and climate change. They examine real community responses, including how the Tree Musketeers planted over one million trees near Los Angeles to reduce air pollution and absorb carbon dioxide, and how a 1969 oil spill off Santa Barbara prompted public action. Students learn how individuals and communities can identify environmental problems and work together to protect the air, water, and soil around them.
Section 1
New Industries Pollute Air and Water
In the middle of the 1900s, life in America was changing. People built more factories to make products and drove more cars to get around. This new activity helped communities grow.
But this growth also created problems. Smoke from factories and fumes from cars filled the sky. Waste sometimes spilled into rivers and oceans. This pollution made the air, water, and land dirty and unsafe for people and animals.
Section 2
Citizens Protect Their Communities
When pollution harmed their neighborhoods, some citizens decided to act. People worked together to solve problems and protect the places where they lived. This teamwork is a form of community action.
For example, a group of kids formed the Tree Musketeers to plant trees and fight smog in California. In another town, residents of Porter Ranch joined together when a gas leak made people sick. These groups showed that everyone, including kids, can help protect the environment.
Section 3
An Oil Spill Sparks Change
In 1969, a major accident happened off the coast of California. An oil platform leaked, causing the Santa Barbara oil spill. A huge amount of dark, sticky oil poured into the Pacific Ocean.
The oil slick covered miles of water and coastline. It harmed thousands of sea birds, seals, and dolphins. News of this environmental disaster spread across the country, and many people were angry and sad.
Section 4
The Government Creates New Rules
People across the country showed they were worried about pollution. The U.S. government listened and decided to take big steps to help protect the environment.
In 1970, the government created a new group called the Environmental Protection Agency, or EPA. The EPA’s job is to make sure the country's air, water, and land are safe for people and wildlife.
Book overview
Jump across lessons in the current chapter without opening the full course modal.
Continue this chapter
Expand to review the lesson summary and core properties.
Section 1
New Industries Pollute Air and Water
In the middle of the 1900s, life in America was changing. People built more factories to make products and drove more cars to get around. This new activity helped communities grow.
But this growth also created problems. Smoke from factories and fumes from cars filled the sky. Waste sometimes spilled into rivers and oceans. This pollution made the air, water, and land dirty and unsafe for people and animals.
Section 2
Citizens Protect Their Communities
When pollution harmed their neighborhoods, some citizens decided to act. People worked together to solve problems and protect the places where they lived. This teamwork is a form of community action.
For example, a group of kids formed the Tree Musketeers to plant trees and fight smog in California. In another town, residents of Porter Ranch joined together when a gas leak made people sick. These groups showed that everyone, including kids, can help protect the environment.
Section 3
An Oil Spill Sparks Change
In 1969, a major accident happened off the coast of California. An oil platform leaked, causing the Santa Barbara oil spill. A huge amount of dark, sticky oil poured into the Pacific Ocean.
The oil slick covered miles of water and coastline. It harmed thousands of sea birds, seals, and dolphins. News of this environmental disaster spread across the country, and many people were angry and sad.
Section 4
The Government Creates New Rules
People across the country showed they were worried about pollution. The U.S. government listened and decided to take big steps to help protect the environment.
In 1970, the government created a new group called the Environmental Protection Agency, or EPA. The EPA’s job is to make sure the country's air, water, and land are safe for people and wildlife.
Book overview
Jump across lessons in the current chapter without opening the full course modal.
Continue this chapter