1. Do Now 4.24 Objectives: 1.Describe the causes, effects, and solutions to global climate change. 2. Define greenhouse effect, and describe how humans are increasing it on Earth. Task: What do you think? What is global climate change (aka global warming) and what is it caused by?

2. Global Climate Change (GCC): What it is The Earth is warming, and there are many associated changes occurring in Earth’s systems. – Note: climate = long term weather patterns (15+ years)

3. Causes of Global Climate Change Global climate change is caused by an increase in the greenhouse effect.

4. Greenhouse Effect: Goldilocks Earth Without any greenhouse effect, Earth would be VERY cold, like Mars. Too much greenhouse effect can cause temperatures to rise. Mars Earth Venus

5. So What’s Increasing the Greenhouse Effect? CO 2 Emissions from combustion of fossil fuels are the largest factor

6. CO 2 Molecules Absorb Heat

7. CO 2 Is Produced by Burning Fossil Fuels Methane and nitrous oxides are also greenhouse gasses produced by industrial processes.

8. RECAP: Causes of Global Climate Change Earth’s climate (long-term weather pattern) is changing. Global average temperatures are going up. Carbon dioxide (CO 2 ) is produced by burning fossil fuels. CO 2 and other greenhouse gasses absorb heat radiated by Earth.

9. Effects of Global Climate Change (GCC) As we watch the film, make a list of all of the effects of global climate change that are mentioned.

10. Effects on Populations and Ecosystems How will the effects described affect organisms on Earth?

11. Effects Here In Charm City You have two minutes to work with a partner sitting next to you. – What effect do you think will hit Baltimore City the hardest? – What can Baltimore do to adapt to that problem?

12. Solutions: The Future Is Ours Americans have more ability to reduce emissions than anyone else! We each have an important responsibility.

13. Solutions: What Can YOU do? Watch the video and record anything you can do TODAY. Your homework? Syllabus change: DO SOMETHING that cuts CO2 emissions – anything – then write a brief paragraph: – What you did – How it cut CO 2 emissions – If you can keep it up / why.

14. The Greenhouse Effect EARTH 1: ____________________ 2: ____________________ Atmo- sphere 3 Arrow 3 = _____________________________