Projections by the IPCC - How Do We Know?

The video discusses the current state of climate warming and its observable effects. It references the IPCC Fourth Assessment Report, which represents a global scientific consensus on climate change. Richard Alley, a notable expert, is introduced, and the video poses critical questions about how we know the climate is changing, its causes, and future implications.

What are some of the observed effects of climate change mentioned in the text?

What does the Fourth Assessment Report of the IPCC reflect?

Who is Richard Alley and what is his contribution to the Fourth Assessment Report?

What questions does Richard Alley pose regarding climate change?

How do scientists determine the causes of climate change according to the text?