North American Climate Change

Earth has experienced many episodes of dramatic climate changes with different periods in earth history. There have been periods during which the entire planet has been covered in ice and at another time it has been scorchingly hot and dry. In this regards, earth has experienced at least three major periods of long- term frigid climate and ice ages interspersed with periods of warm climate. The last glacial period which current glaciers are the result of it, occurring during the last years of Pleistocene, from approximately 110,000 to 10,000 years age (Clayton, 1997). Indeed, glaciers present sensitive indicators of climate change and global warming and by estimating and monitoring the dynamic evolution of these ice masses, several

Radiocarbon dating tests reveal that sea levels had lowered more than 400 feet below their current levels as a consequence of the growth of immense ice sheets in the Northern Hemisphere during the Ice Age.

We once lived in a world lush and plentiful where we enjoyed all the natural resources peacefully. However at the beginning of the industrial revolution more people moved to the cities therefore increasing their dependency load. Fastforward to today and the world has seen a drastic change in the loss of natural resources as well as a number of health related illnesses like asthma. This is mainly due to the effects from carbon pollution, greenhouse gases and global warming. Canada as a country is thought of as environmentally aware and progressive. Actually has many issues regarding this topic and if it is not taken care of it will affect the future of the nation. I care about this topic because it has to

There are many economic and social implications related to the effect of climate change on New England’s food production. In the 1800’s farmland was just starting to be cleared as settlers needed to farm for food. When this land was cleared farmers were getting rid of the major vehicle to extract carbon from our atmosphere, but at the same time the animal waste was going back into the soil and making it rich and fertile. During this time New England was a big agricultural area. For a while New England people could sustain themselves On just what they could grow. Once land in the Midwest started to become accessible many commercial farmers started to move out west. When this happened there was not so much of a need for New England land anymore.

Recently, the environment issues are becoming more and more serious. The increasing of greenhouse gas emission and pollutions lead to many environment problems related to climate change. The climate change impact our urban life in many aspects. As the biggest metropolitan area in US, New York-Newark-Jersey City, NY-NJ-PA Metropolitan Statistical Area has a population about 19,831,858 by year 2012 (U.S. Department of Commerce, US Census Bureau, 2012) The population has been increased by 1.35% since 2010. The increase of population again increase the consuming of resources and increase the carbon dioxide of the statistical area which aggravate the global warming. At this moment, planners and government should take the impacts from climate change that will be critical concern to our area into consideration and applying a climate change management planning policies.

“‘We know even relatively small amounts of sea level rise affect us,’ [Carl Spector, commissioner of Boston’s Environment Department] said. ‘All the models we’re seeing are concerning’” (Abel). Climate change, the warming and changing of the Earth’s atmosphere, has become a very prevalent issue over the past century. Despite having numerous sources in terms of hard evidence, many people still do not believe in the effects of climate change. Sea level rise is one effect of climate change that may change the minds of many because of its reality in today’s world. This issue is especially relevant in the Northeast because of several factors that further affect the sea level rise. In order to stop further effects on the Northeast, legislators must

During the Canadian Climate Change conference, there were many compelling arguments for both sides. On the side that wanted Canada to take immediate action, they brought up the fact that our future generations would have to suffer from the consequences of our selfish, greedy and reckless lifestyle of burning fossil fuels. Furthermore, they exaggerated the outcomes of manmade climate change and bringing up feelings of pity for the future generations because they will have to live in a polluted world that humans created. They said that if we do not take action now, there will be many jobs lost due to climate change. Although there are many jobs in the fossil fuels business, they will not continue forever because they are finite and will run

1.The introduction to new plants, animals, and technologies altered the natural environment of North America by impacting its economy and improving the overall natural environment of North America. For example, after the native new world plants such as tobacco, maize, beans, tomatoes, and lowly potato eventually revolutionized and drastically improved the international economy, in return the Old World introduced crops and animals to the Americans(New World). Columbus supplied the Old World with animals such as cattle, swine, and horses; the horses made the environment highly mobile and wide ranged traveling through the Old World. Columbus also brought sugar kane, which flourished and forced the migration of millions of African slaves to the New World. Unfortunately, during

I chose this article because I think it’s an important topic that affects Canada greatly. People all across the world are affected by climate change, but Canada will experience it more than any other place due to the fact that we are far from the equator and higher up North. This should be a concern to Canadians everywhere, because although people in Nunavut will feel warming worse than in Ontario, we are all still going to be affected by this in some way. It’s never too late to take action, and before conditions get worse, we should look into ways of reducing climate change. Not only is it worrying that people will be harmed and forced to move because of this, but we are hurting our planet, and now is the time to change that. Gregory Flato

The strongest of which was that the transport of warm surface water could not enter the Pacific via the Atlantic ocean, and redirected it towards the Arctic Ocean, and effectively causing the current Thermohaline circulation to start. If the seaway were not closed, it would have been likely that cold water from the Arctic would have flowed towards the equator, where it would pass by the north-eastern part of North America, which could have caused the climate in the area to be much colder than it is today.

The 21st century has begun with one of the most challenge security threats to the United States of America have had to face. The perils of climate change have the ability to impact the national interest concerning power, prosperity and peace. The continued challenges around the world, and domestically, it is critical the US implements a comprehensive grand strategy. Cooperative security gives the US the best possibility to achieve the goals that will lessen the effects and place the US ahead of the international agenda. Combating climate change will require successful policies such as international climate pacts, collective-action and cap and trade initiatives. In the past, we have seen the US shy away from such accords worried about the

Throughout history climates have drastically changed. There have been shifts from warm climates to the Ice Ages (Cunningham & Cunningham, 2009, p.204). Evidence suggests there have been at least a dozen abrupt climate changes throughout the history of the earth. There are a few suspected reasons for these past climate changes. One reason may be that asteroids hitting the earth and volcanic eruptions caused some of them. A further assumption is that 22-year solar magnetic cycles and 11-year sunspot cycles played a part in the changes. A further possibility is that a regular shifting in the angle of the moon orbiting earth causing changing tides and atmospheric circulation affects the global climate (Cunningham & Cunningham, 2009,

Although no debate exists regarding whether this event occurred, several theories have been created explaining the reason why it occurred. One such theory is the Younger Dryas Impact Hypothesis, also known as the Clovis Comet Hypothesis, which proposes that a comet or asteroid hit North America, killing off many animals and human instantly, and non-adapting species were also eradicated due to starvation (video). One critique of this hypothesis is that no crater has been found on Earth’s surface; however, it is likely that the comet hit the glacier, which ultimately melted and left no physical sign. Another hypothesis depends on the idea of a thermohaline circulation shutdown due to the changes in ocean circulation (“Abrupt Climate Change”, 2003). A problem with this hypothesis, however, is that another glacier melting event occurred following the Younger Dryas, and it did not create a massive climate change. Another theory states that the climate change was brought on by Earth’s orbital changes, but much more information is needed regarding this

This first section also discussed the last ice age during the Pleistocene Epoch during which glaciers covered around 30% of the earth and enabled migration across land bridges they formed and created the Great Lakes. The second part of the notes examined "Evidence of Past Ice Ages." This evidence includes land formations such as U-Shaped valleys moraines, and drumlins; marine microfossils that can reveal a lot of information about past glaciation; and ice core records in the Antarctic and Greenland. Finally, the last section of the video discussed "Causes of Ice Ages." Among these are Milankovitch cycles, plate tectonics and ocean circulation, and changes in atmospheric composition. The Greenhouse effect was also addressed in this section, with manmade and natural causes being presented. An explanation of the concern regarding the Greenhouse effect was also discussed: more melting sea ice will impact several areas of human life including health, agriculture, our forests, our water resources, and our coastal areas. In the end, it was mentioned that climate change is a natural process, but humans need to be aware of their influence in alteration or accelerating these changes to prevent

Science has attempted to clarify completely why an ice age happens like clockwork. As analysts now exhibit in view of a PC recreation, not just do variations in insolation assume a key part, additionally the common impact of glaciated land masses and climate. Ice ages and warm periods have substituted reasonably routinely in Earth's history: Earth's atmosphere cools generally like clockwork, with inconceivable territories of North America, Europe and Asia being covered under thick ice sheets. In the end, the pendulum swings back: it gets hotter and the ice masses melt. While geologists and atmosphere physicists discovered strong proof of this 100,000-year cycle in cold moraines, marine residue and ice, as of not long ago they were not able locate a conceivable clarification for it.