The following map provides a link to data graphs that show the change that has occurred in our global system over the time period while the data was collected. The tiles on the map represent 10^o by 10^o regions on our globe. The colors on the map indicate the trend of the change. A blue tile indicates a downward trend. A red tile indicates an upward trend. A white tile on the map has no attached data. A green tile indicates no definite upward or downward trend. Click on the colored tiles of the map to view a graph that shows the averaged, area-weighted data values within the tile.

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