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Global Climate Change

Global Climate Change

Planet Earth - SmallIntroduction: Climate change and global warming are terms often used interchangeably and associated with controversy. However, over the last couple of decades, the scientific evidence has become more clear: the global climate is changing and human activity is the most likely contributing factor to rising atmospheric temperatures. 
Global climate change is the long term change in Earth's climate conditions. Climate change includes periods when the Earth's atmospheric temperature cools as well as times when the temperature warms. Throughout the Earth's history, there have been natural periods of climate change. Volcanic activity, changes in the sun's energy, and variations in Earth's tilt and orbit are all factors that can influence climate change. 
Average atmospheric temperature has been on the rise since the Industrial Revolution. Global warming is a period of climate change when the Earth's surface temperature increases. Today, evidence points to human activity as the primary cause of global warming. Human society has developed during a period of time marked by stable climatic conditions. Global warming brings potentially unstable climate conditions, impacting humans, plants, and animals alike. Rising temperatures melt sea ice and increase ocean levels. Weather patterns change and severe weather threats increase. Habitats are lost. Watch the video lesson to learn more about global climate change and ways to combat global warming.

Directions for This Lesson: In this lesson, you will learn about global climate change. First, try the practice questions to see what you already know. Then, watch the video lesson and try the activity to learn more about climate change.


Required Video:

View changes in global sea ice, sea levels, temperatures, and carbon emissions over time with an interactive activity.

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