How changes to Earth's orbit can contribute to changes in temperature and climate.
Photographic and artistic evidence for colder winters in the past and glacial changes.
Atmospheric pressure causes winds as air tries to move from high to low pressure areas.
The delicate balance of the rainforest in Costa Rica and its self-sustaining ecosystem.
A news report on the effects of sea level rise on the Maldives.
We have a selection of learner guides