Global warming-cause, effect and solution-Essay need …

The Globe is Warming: Burning coal, oil and gas and destroying forests overloads the atmosphere with excess carbon dioxide, adding to heat-trapping gases that already are present in the atmosphere. Combined, these gases act like a blanket covering the earth. The human contribution to this effect is unmistakable. The part of the atmosphere where excess carbon dioxide accumulates has expanded and warmed dramatically in recent years precisely during the period when emissions from human activity have increased.
Scientists from NASA and other research institutions routinely collect temperature data from around the world and have records of the Earth’s average temperature going back to the 1880s, when temperatures were first recorded. The data shows that, globally, the last decade has been the warmest ever recorded.
Over the last century, global average temperature has increased by more than 1°F (0.6°C). While the record shows significant regional differences in warming, the long-term global upward trend is unambiguous.[2]
Union of Concerned Scientists

Essays on global warming and climate change

Many scientists think that pollution is the cause of global warming and the greenhouse effect.

Global warming is the greatest challenge facing our planet

For several million years, life in the Eocene was halcyonic, and at 50 mya, the state had prevailed ever since the 250 mya. But just as , Earth began cooling off. The ultimate reason was atmospheric carbon dioxide levels that had been steadily declining for tens of millions of years. The intense volcanism of the previous 200 million years waned and the inexorably sequestered carbon into Earth’s crust and mantle. While falling carbon dioxide levels were the ultimate cause, the first proximate cause was probably the isolation of Antarctica at the South Pole and changes in global ocean currents. During the early Eocene, the global ocean floor’s water temperature was about 13oC (55oF), warm enough to swim in, which was a far cry from today’s near-freezing and below-freezing temperatures. The North Sea was warm as bathwater. Radical , warming the ocean floor, and . Whatever the causes were, the oceans were warm from top to bottom, from pole to pole. But between 50 to 45 mya, Australia made its final split from Antarctica and moved northward, India began crashing into Asia and cut off the Tethys Ocean and the global tropical circulation, and South America also moved northward, away from Antarctica. Although the debate is still fierce over the cooling’s exact causes, the evidence (much is from ) is that the oceans cooled off over the next 12 million years, very consistently, although a brief small reversal transpired at about 40 mya. By 37-38 mya, the 200-million-year-plus Greenhouse Earth phase ended and the transition to today’s ice age was underway. In the late Eocene, as the trend toward conditions began, such as the .

Free Global Warming Essays and Papers - 123HelpMe

In Paleocene oceans, sharks filled the empty niches left by aquatic reptiles, but it took coral reefs ten million years to begin to recover, . As Africa and India moved northward, the shrank, and in the late Paleocene and early Eocene, one of the last Tethyan anoxic events laid down Middle East oil, and the last Paleocene climate event is called the (“PETM”). The PETM has been the focus of a great deal of recent research because of its parallels to today’s industrial era, when carbon dioxide and other greenhouse gases are massively vented to the atmosphere, causing a warming atmosphere and acidifying oceans. The seafloor communities suffered a mass extinction and the PETM’s causes are uncertain, but the when the global ocean warmed sufficiently is a prominent hypothesis. Scientists also look to the usual suspects of volcanism, changes in oceanic circulation, and a bolide impact.

No matter how you call it, “global warming” or “climate disruption”, its effects are all the same.
This essay will explain why global warming is fast becoming a cause for concern and why preventative measures are being taken....

Global Warming – Tragedy of the Commons? – (blog) …

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My standpoint on the heavily heated and controversial issue is that Global Warming as defined by its proponents is not occurring....

01/06/2015 · Arno Arrak July 8, 2015 at 8:55 pm

The Cambrian’s global ocean contained far less oxygen than today’s. Being newly and probably inconsistently oxygenated by oceanic currents was only part of the problem. The Cambrian oceans were warmer than today’s oceans, perhaps far warmer, such as 40o C and higher for the . Water’s ability to absorb oxygen declines as it gets warmer. Water heated from 10o C to 40o C will lose 40% of its ability to absorb oxygen. The phenomenon of warmer water absorbing less oxygen contributed to many instances of anoxic waters during the eon of complex life, and particularly in the warmer, earlier periods.

Read this article to learn about the mechanism, effects and control of global warming

Global Warming: Causing Worldwide Weather …

Al Gore is a politician, not a scientist. However, The Inconvenient Truth did raise many critical issues which our society continues to ignore at its peril. Whether you agree with his politics or not, or agree with his science or not, his central message has a basis in fact. As stated in this essay, global warming is a fact of life. It is not going away.