Implication Of Global Warming Essay
1. INTRODUCTION
1.1. Background
Climate change is one of the most serious environmental challenges facing the world at present. It refers to any change in climate over time, whether due to natural variability or as a result of human activity (Kinyangi et al., 2009). Global warming shows increasing trend and is expected to bring about long term changes in weather conditions (FAO, 2008).
According to IPCC (2007), the average global surface tem¬perature has warmed up by 0.8°C in the past century and by 0.6°C in the past three decades. Scientific evidence indicates that the concentration of GHGs in the atmosphere has been increasing; and changing the earth’s climate. IPCC (2007) in its fourth assessment report, indicated that the signs of climate change, as it was evidenced from observations of raises in global average and ocean temperature, widespread melting of snow and ice and increasing global average sea level. IPCC also highlighted the past, current and predicted future GHGs with its potential negative effect on the socio-economic development of countries (IPCC, 2007).
The IPCC has also pro¬jected that if GHG emissions and the major cause of cli¬mate change continue to rise, average global temperatures will increase by 1.4–5.8°c by the
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