Holt McDougal Environmental Science Online textbook

Anyone enrolled in a class using the Holt McDougal Environmental Science textbook should consider this companion course. You will learn the material faster, retain it longer and earn a better grade.

How It Works

• Identify the chapter in your Holt McDougal Environmental Science textbook with which you need help.
• Find the corresponding chapter within our Holt McDougal Environmental Science Textbook Companion Course.
• Watch fun videos that cover the environmental science topics you need to learn or review.
• Complete the quizzes to test your understanding.
• If you need additional help, re-watch the videos until you've mastered the material or submit a question for one of our instructors.

Why It Works

• Fun Content: These videos make learning Holt McDougal Environmental Science fun with engaging animation and real-world examples.
• Great Instructors: Study.com uses exceptional educators who can take concepts like biomes and ecological succession and make them easy to understand.
• Multiple Ways to Learn: Watch videos or read the lesson transcript.
• Easy to Use: Access this textbook companion on any smartphone, tablet or laptop.

Students will learn topics including:

• Introduction to environmental science
• Methods and tools used in this field
• Earth's spheres, inner structure and plate tectonics
• Biomes, ecosystems and population dynamics
• Air, water, weather and climate
• Land and food production
• Renewable and non-renewable resources
• Health concerns, environmental pollution and waste disposal
• National and global issues related to environmental science