Light our way out: Green patch

The realisation is now dawning across the globe that development which the world has pursued in the past is not sustainable. This derives from the growing evidence of damage to various ecosystems, but also most glaringly from mounting evidence of climate change. The Fourth Assessment Report (AR4) of the Intergovernmental Panel on Climate Change (IPCC) clearly brought out the influence of human activities on the earth's climate and its impacts, resulting from the cumulative emissions of greenhouse gases, the most dominant of which is carbon-dioxide. The rate of these emissions has grown in recent decades with an increase of 70 per cent between 1970 and 2004. Consequently, the world’s climate is changing far more rapidly than in previous periods.

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