VIII
preserve the climate equilibrium for the welfare of the current and future generations.
Since the industrial revolution, changes in the atmospheric composition have been
observed. The greenhouse gases concentration has increased by more than 25% and
the air aerosol content has became more important. As you know, the main human
activities that cause climate change are: industrialization and deforestation, through
the use of fossil fuels respectively the destruction of 15 millions hectares of forests
each year. The increasing concentration of greenhouse gases strengthens the
greenhouse effect which is closely related to climate change.
Being worried about these problems is documented by the study of all the possible
impacts of man's activities in our environment and through the determined intention
to preserve the climate equilibrium that will ensure a welfare for future generations.
Climate change detection requires long time series of high quality data sets. This
is why the collaboration between the meteorological services of different countries
is encouraged and their active participation ensure the success of such kind of
workshops.
Indeed, under the care of WMO, the meteorological services ensure collection,
treatment and disemmination of data in order to set up a complete and reliable
climatological data set at an international level.
With the support of all countries climate change research has been started at the
global scale but most countries expect regional or even local studies. In this context
the World Climate Research Programme has been encouraged to develop research
and studies at the regional level and to focus on the extreme climate phenomena such
as desertification, droughts, floods, etc.
These two workshops will be, I hope, a good opportunity to strengthen the
collaboration between national meteorological services that are present here and to
share their knowledge.
We are very glad that such kind of workshops are held in Morocco and I want to
thank again WMO, WCRP, Medias-France and the staff of the DMN involved in the
organization of these two workshops. I wish, finally, all the success for both
workshops.
Thank you very much.
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