1. The Climate Lab
Lesson 4

2. Signal vs. noise case study – What has been causing plants to change ranges in California?
Changes in New England – Why are these butterfly species changing in such a big way?
What factors go into defining an ecosystem?

3. Signal vs. Noise
What’s really going on?

4. California temperatures over the last 50 years

5. Trends around New England

6. Regional Climates
What factors go into defining an ecosystem?

7. The Whittaker Biome Diagram
This diagram is a model that shows us how different ecosystem types around the world are dependent upon on temperature and precipitation.