Climatic changes of the 20th century have altered the water cycle in the Andean basins of central Argentina.
After 150 million years of triumphant existence the hardy dinosaurs, unable to withstand the resultant climatic changes, became extinct.
Man lived in this area before the last desertification or before the drastic climatic changes ended with the hot dry conditions and development of deserts.
Due to the important role of humidity, tropical glaciers are likely to be the climatic indicators the most sensitive to climatic changes like the greenhouse effect.
"Certainly if you consider the small size of hummingbirds, if there were climatic changes, that might have been the factor responsible, " he told BBC News Online.
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Climatic changes related to global warming could foster dangerous outbreaks of cholera, dengue fever and malaria, according to a report released recently by World Wildlife Fund.
Given the current risks of disasters, the growing threat to water systems from climatic changes, and the high stakes of water-system failures, innovative emergency response plans should be aggressively pursued.
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But the leisure and sedentary existence that the Jomon would have required for their pottery have generally been supposed to result from climatic changes at the end of the ice age.
Changes in climatic conditions or various diseases can cause the gradual dying of plant shoots.
Yet studies run into the unreliability of modelling future climatic effects and sometimes ignore changes in land use and health care.
The underlying changes in the climatic system could not be reversed over any time scale relevant for decision-makers, limiting the efficacy of traditional recovery measures.
The United Nations recently raised concerns regarding the health and climatic impacts of particles emitted by vegetation fires in regions subject to land use changes and human driven deforestation such as South-East Asia, where they are responsible for 10, 800 premature deaths per year.
An assessment of the impacts of climatic change in Latin America and the Caribbean supported by reliable data suggests that ??climate changes during the last century have included an increase in the surface medium temperature, particularly in medium and high latitudes, and changes in precipitation quantity and intensity in several countries of the Region (Southern Brazil, Paraguay, and Argentina).
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