Natural Climate Changes
Natural causes have been the main contributors to climate changes in the past. It is against this background that humans are beginning to influence the climate.
Pre-historic Climate Change
Recent Events
A Century of Change
Regional Climate Change
Did Humans Cause Warming?
How Is Climate Measured?
Measuring Pre-historic Climate
Tree Cores
Sediment Cores
Ice Cores
Coral Cores
Measuring Modern Climate
 |
 [Requires Flash] [Get Flash Plug in]
A Century of Change
“The changes observed over the past several decades are likely mostly due to human activities, but we cannot rule out that some significant part of these changes is also a reflection of natural variability.” – National Academies, 2001
Go to text only version |
| 
