Human activities have a huge intrusion on the go up temperatures in the world. It is very likely that a significant part of temperature variability in the Northern cerebral hemisphere during the past seven centuries prior to 1950 is repayable to volcanic eruptions and changes in the intensity of solar radiation. However, most of the observed increase in global temperature since then is very likely due to the observed increase in atmospheric greenhouse gas concentrations due to human activities.

Human activities now clearly affect other aspects of climate, including ocean warming, continental-average temperatures, temperature extremes and wind patterns. (Greenfacts.org, 2009).
The threats to the environment, people, plants and animals from global warming are astronomical. Ecosystems are shifting, animal species are nearing extinction and land masses are almost being flooded over by the rising waters. Human fingerprints also have been identified in many other aspects of the climate system, including changes in ocean heat content, precipitation, atmospheric moisture, plant and animal health and location, and Arctic sea ice. Global warming is thwarting majestic gray whales struggle to recuperate from their endangered status. In recent years, more gray whales have...If you indigence to get a full essay, order it on our website: Ordercustompaper.com
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