From storms, floods and drought to the spread of disease and famine – the projected results of global warming make for grim reading. Few regions of the world will remain untouched by the phenomenon and human habitation will be affected radically.
The science of climate change can trace its roots back to the 19th century, but the body of research has multiplied in recent years as evidence of global warming has grown. Early chemists theorised that carbon dioxide trapped infrared heat, and that rising concentrations of the gas would cause the world’s surface to warm. But it took many years for the necessary scientific instrumentation to catch up, and for a warming “signal” to become clear to observers through the vagaries and variations of the earth’s climate. Even by the 1990s, it was hard to say whether the warming was simply a natural phenomenon.
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