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le (24m29s)

Detection and Attribution of Climate Change to Different Causes

According to the last IPCC report, the most part of the observed increase in globally averaged temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations. This statement relies on a long process of demonstration that consisted in evaluating the ability of the successive generations of climate models to reproduce and interpret the climate variability of the last decades. The more and more numerous statistical analyses aiming at detecting and attributing climate change to natural and anthropogenic causes have reinforced the assessment of experts. The recent detection and attribution studies of observed ...
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le (27m2s)

The Impacts of Climate Change on Continental Ecosystems

Climate change will deeply modify the ecophysiological functioningof plants, by creating a set of conditions which could be more favourable (in the sense of biomass production) or not. Among the first, the increase ofatmospheric CO2 will stimulate the photosynthesis (with levels depending upon plants and conditions), with a result of a potential increase in biomass up to 20 % in some cases. Warmer temperatures will also generally be favourable to most of the physiological processes, up to an optimum above which the risk of detrimental or lethal values exists. The (almost) generalized advance in phenology (calendar of development stages) will ...
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The European Science Foundation (ESF) and the French Foundation of the Maison des Sciences de l’Homme (FMSH) (within the Entre-Sciences programme) have agreed to jointly develop a new conference series in environmental sciences; an effort to actively foster exchanges between scientists working in the humanities and social sciences and their colleagues in the life and natural sciences. This interdisciplinary conference present the new advances in the modelling of the Global Change that combines Geosciences and Economics, with a perspective view from history - given the novelty of their interrelations – and from political science – given the impact of the ...
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