How Do We Know?: Introduction

The video discusses the pressing issue of climate change, highlighting the rapid changes and potential dangers of human interference. It emphasizes the significant investments made by the National Science Foundation in understanding climate change. Dr. Killeen provides evidence of global warming through various observations, including temperature records and ecosystem changes, underscoring the need for scientific understanding of these changes and their future implications.

In what ways are ecosystems responding to global warming?

What does the consistency of observations from different continents indicate about climate change?