The Great Global Warming Debate: Part 2

Earth's climate has changed naturally over millions of years. Could the current cycle of warming simply be part of this natural cycle?

Earth Science - Human Impacts - Learning Points.

The Medieval Warm Period occurred 1000 years ago.

Climate proxies are used to estimate historical temperatures.

The hockey stick graph shows a temperature rise across the 20th century.

Graphs show that the last half of the 20th century is the warmest it's been for the past 1000 years.

A Twig Context Film.
Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.