Earth's energy budget
A not very good copy of a Nasa education video about balancing the Earth's energy budget
Short film showing how earthquakes originate at plate boundaries.
Al Gore giving a short talk about Global Warming
History of the Universe - Part 1
A nice romp through the history of the Universe
History of the Universe - Part 2
Second part including the life cycle of the sun
Short film with excellent animation of the role of convection currents in the mantle in the movement of tectonic plates.
s & p waves
Very short clip showing how s and p waves move through the Earth.
Simple explanation of global warming
Easy to follow explanations, with stunning visual models, creating intuitive understanding of humanity's damaging influence on both the environment and on our civilization's future.