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Uploaded on Saturday 25 Feb 2012 by GRID-Arendal

Great weather and flood catastrophes over the last forty years

Year: 2005
From collection: Vital Climate Graphics
Author: Philippe Rekacewicz, UNEP/GRID-Arendal
Description:
Some reports suggest that increase in climate variability or extremes has taken place in recent decades. However, there are inadequate data to determine whether such global changes have occurred consistently over the 20th century. On regional scales there is clear evidence of changes in some extremes and climate variability indicators - for example, fewer frosts in several widespread areas; and an increase in the proportion of rainfall from extreme events over the contiguous states of the USA. It can also be seen that the economic damages from weather related disasters have increased dramatically, although much of this may be attributed to a greater number of people living in vulnerable areas..
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Potential climate change impacts
Thinning of the Arctic sea-ice
Main greenhouse gases
Temperature and CO2 concentration in the atmosphere over the past 400 000 years
Radiative forcing - energy balances and the greenhouse effect
Sources of greenhouse gases
Global atmospheric concentration of CO2
IPCC structure