2.1 – Causes of global climate change

The Earth’s climate is changing. Read these stories from the BBC & the Guardian.

BBC News – Jan 2018




The atmospheric system






The global energy balance


The natural greenhouse effect

Natural changes to the global energy balance

Solar radiation variations, including global dimming due to volcanic eruptions.


Terrestrial albedo changes and feedback loops.

Albedo from wikipedia








Albedo feedback loop applied to ice – wikipedia



The enhanced greenhouse effect – Defra.gov.uk



Why are climates changing?






International GHG emissions

International pattern of GHG emissions – epa.gov