Climate Assignment Example | Topics and Well Written Essays - 500 words - 1

Climate - Assignment Example Since the scientific community has identified exploitation of fossil fuel as the main reason for global warming, this section has been prosecuting them on various levels, in spite of mounting evidence. This essay discusses one of the most urgent issues in environment study that is climate change or global warming in every context with its definition and various controversies are raging in this area of the studies. The climate change can be broadly defined as the long-term time period shift in the weather statistics including the average climate (NOAA, 2007). One of main concerns in the environmental study is the global warming with the continuous increase in the temperature all over the world. It is also one of the topics that are hotly debated between various sections of the modern society (US National Academy of Sciences & the Royal Society, 2008). The weather scientists who are working in this area are gathering mounting evidences regarding the increasing of the surface warming all over the world. One of such sources is the thermometers that are monitoring the changes in hundreds and thousands of the locations all over the world and recording those changes at a permanent location. The scientists are also getting indirect estimates from such sources as the ice cores as well as tree rings for calculation of change in temperature during past years (US National Academy of Sciences & the Royal Society, 2008). Since, last few decades, there are many theories that seek to explain the reason of the global warming such as the cycle of the sun spots and changes in earth climate, natural variability of the climate or changes due to human activity. As per some people, the main source of the global warming is the sun spots and 11 years Sun – cycle. The energy output of the Sun varies considerably depending upon the abundance of some isotopes of beryllium or carbon atoms and number of the sunspots. But, as per the evidence that is