Earth Hour, organised by the World Wide Fund for Nature (WWF) takes place annually at the end of March. It is a global event created to promote awareness of global warming and its impact on climate change and associated ecological issues.
This resource is a fully editable, colourful and informative 80 slide lesson / assembly presentation on Earth Hour. The resource contains references to
The History of Earth Hour
The Greenhouse Effect
The Causes of Global Warming and Climate Change
The Effects of Global Warming and Climate Change
The United Nations Climate Conference
The Work of the World Wide Fund for Nature
The power point contains hyperlinks to a 5-minute video on Hurricane Katrina.