Secondary kids

The earth's climate has always changed but over hundreds of years. Global warming is speeding up temperature change and just a few degrees will mean changes for the world's ecosystems.

Climate change is a change in the average pattern of weather over a long period of time. To understand climate change, first you must understand the difference between weather and climate.

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Greenhouse Gases

The Greenhouse Effect is a natural property of our atmosphere that allows it to retain heat. 

Global warming occurs when changes to the atmosphere allows additional heat to be trapped.

There are a number of different greenhouse gases responsible for the Greenhouse Effect.


Gases in the atmosphere that trap the sun's energy:

  • Carbon dioxide (CO2)
  • Methane (CH4)
  • Nitrous oxide (N2O)
  • Hydrofluorocarbons (HFCs)


causes of climate change