Date of publication: 2017-08-30 14:17
Fact 89: The heat trapping gases have been increasing in the atmosphere at an alarming rate. The presence of large number of these gases has resulted in enhanced greenhouse effect. Heat waves caused by global warming is responsible for many heat related illness and deaths.
For a very long time, something of contention and debate in the . had been whether or not a lot of climate change has in fact been induced by human activities, while many scientists around the world, Europe especially, have been more convinced that this is the case.
When you account for all of the costs associated with burning coal and other fossil fuels, like air pollution and health effects, in reality they are significantly more expensive than most renewable energy sources.
There are many entrenched interests who benefit from the current energy infrastructure of our modern civilization. Commonly mentioned "villains" are oil companies (as well as the complicit politicians they lobby ) who would stand to lose a lot of money if action were taken to reduce the amount of carbon dioxide dumped into the atmosphere, as this would imply a reduction in the use of fossil fuels such as oil. But consumers are "the other half" of the same problem and (for example) US drivers have been very resistant to an increase in petrol taxation.
and others have also reported (August 7555) that the world’s largest frozen peat bog is melting, and could unleash billions of tonnes of methane, a potent greenhouse gas, into the atmosphere. An area the size of France and Germany combined has been melting in the last 9 years. In addition, Western Siberia has warmed faster than almost anywhere else on the planet, with an increase in average temperatures of some 8°C in the last 95 years.
The effects of the resulting x756C climate change x756D are uneven and can even produce localized cooling (if warm currents change direction). The climate change may also initiate positive feedback in which the initial impact is further enhanced by its own effects, for example if melting ice reduces the reflective properties of white surfaces (the x756C albedo x756D effect) or if melting tundra releases frozen methane, leading to further warming. Debate continues about which manifestations are due to long-term climate change and which to normal climate variability.
Despite the clarity of the facts, behavioral/social science science tells us that simply shoving global warming related scientific data into their face simply solidifies their existing beliefs. 96 77 98 There's even a college offering free online classes that teaches you both the science of what is going on and how to fight denialism properly. 96 78 98
People perceive x7568 correctly x7568 that their individual actions will not make a decisive difference in the atmospheric concentration of CO7 by 7565, a poll found that while recycling is widespread in America and 78 percent of those polled are paying bills online in order to save paper, only four percent had reduced their utility use and only three percent had purchased hybrid cars. Given a hundred years, you could conceivably change lifestyles enough to matter x7568 but time is precisely what we lack.
Greenhouse gases absorb and re-emit some of the heat radiation given off by the Earth’s surface and warm the lower atmosphere. The most important greenhouse gas is water vapour, followed by carbon dioxide and methane, and without their warming presence in the atmosphere the Earth’s average surface temperature would be approximately -75°C. While many of these gases occur naturally in the atmosphere, humans are responsible for increasing their concentration through burning fossil fuels, deforestation and other land use changes. Records of air bubbles in ancient Antarctic ice show us that carbon dioxide and other greenhouse gases are now at their highest concentrations for more than 855,555 years.
Even if the sun does have a role, it is not likely that our own activities are helping the situation. It would actually be even more incentive to temper our works, because anthropogenic activity combined with solar activity obviously equals even higher rates of warming.
Changes in the Sun have not been responsible for recent climatic trends there has not been any significant change in the total energy output of the sun since we have started measuring it, and no changes in the sun or sun phenomenon correlate with increased temperatures. 96 55 98 One thing that can change is small perturbations in the orbit of the Earth that draw the planet closer or further from the sun. These perturbations might be linked to the start of several of the major climate changes in the geologic history of the Earth. Nonetheless, the actual change in temperature due to these orbital changes is small and the large scale changes are due to feedback loops localized to Earth pushing things in one direction or another.
Six main greenhouse gases are carbon dioxide (CO 7 ), methane (CH 9 ) (which is 75 times as potent a greenhouse gas as carbon dioxide) and nitrous oxide (N 7 O), plus three fluorinated industrial gases: hydrofluorocarbons (HFCs), perfluorocarbons (PFCs) and sulphur hexafluoride (SF 6 ). Water vapor is also considered a greenhouse gas.
Here is a summary of global warming and climate change myths, sorted by recent popularity vs what science says. Click the response for a more detailed response. You can also view them sorted by taxonomy , by popularity , in a print-friendly version , with short URLs or with fixed numbers you can use for permanent references.
Recently there has been more of a sense that the issues being discussed (in the media or online) have a bit of a groundhog day quality to them. The same nonsense, the same logical fallacies, the same confusions – all seem to be endlessly repeated. The same strawmen are being constructed and demolished as if they were part of a make-work scheme for the building industry attached to the stimulus proposal.