CLIMATIC CHANGE

Basic Issues

•         Earth’s climate varies naturally – because of a variety of cosmological and geological processes.

•         “Climate change” refers to an additional, and relatively rapid, change induced by human actions.

•         The additional change – several degrees C within a century – will disrupt the foundations of life on Earth.

•         Ecosystems and life in general have evolved within a narrow band of climatic-environmental conditions.

GHG: Coming Decades

The International Energy Agency predicts that the increase in greenhouse more...