global warming Essay

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The global warming controversy is an ongoing dispute about the effects of humans on global climate and about what policies should be implemented to avoid possible undesirable effects of climate change.
The current scientific consensus on climate change is that recent warming indicates a fairly stable long-term trend, that the trend is largely human-caused, and that serious damage may result at some future date if steps are not taken to halt the trend.
Mainstream scientific organizations worldwide (Royal Society, American Geophysical Union, Joint Science Academies, Intergovernmental Panel on Climate Change, American Meteorological Society, and American Association for the Advancement of Science) concur with the assessment that most of the observed warming over the last 50 years is likely to have been due to the human-caused increase in greenhouse gas concentrations.
However, there is also a small but vocal number of scientists in climate and climate-related fields that disagree with the consensus view. worried about climate change and want to learn more? You probably aren't watching television then. A new study by George Mason University Communication Professor Xiaoquan Zhao suggests that watching television has no significant impact on viewers' knowledge about the issue of climate change. Reading newspapers and using the web, however, seem to contribute to people's knowledge about this issue.
The study, "Media Use and Global Warming Perceptions: A Snapshot of the Reinforcing Spirals," looked at the relationship between media use and people's perceptions of global warming. The study asked participants how often they watch TV, surf the Web, and read newspapers. They were also asked about their concern and knowledge of global warming and specifically its impact on the polar regions.
"Unlike many other social issues with which the public may have first-hand experience, global warming is an issue that many come to learn about through the media," says Zhao. "The primary source of mediated information about global warming is the news."
The results showed that people who read newspapers…