The dangerous changes on the planet

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Misbah Bisharat Jokhio;
We think of the climate we enjoy today is normal; however the Earth’s climates are always changing. For the third year in a row, millennial who participated in the World Economic Forum’s Global Shapers Survey 2017 believes climate change is the most serious issue affecting the world today. Climate change means the difference in the Earth’s global climate or in regional climates over time. Climate change is now a major concern especially in colder countries. Climate change can be warmer or colder. This includes global warming and global cooling. Climate change is the defining issue of our time and we are at a defining moment. From shifting weather patterns that threaten food production, to rising sea levels that increase the risk of catastrophic flooding, the impacts of climate change are global in scope and unprecedented in scale.

Without drastic action today, adapting to these impacts in the future will be more difficult and costly. The evidence for rapid climate change is compelling. The heat-trapping nature of carbon dioxide and other gases was demonstrated in the mid-19th century. Their ability to affect the transfer of infrared energy through the atmosphere is scientific basis of many instruments flown by NASA. There is no question that increased levels of greenhouse gases must cause the earth to warm in response. Some other evidences that prove changes in climate need to be controlled include Warming Oceans, Shrinking Ice Sheets, Glacial Retreat, Decreased Snow Cover, Sea Level Rise, Declining Arctic Sea Ice and Ocean Acidification. The number of record high temperature events in the United States has been increasing, while the number of record low temperature events has been decreasing, since 1950. The U.S. has also witnessed increasing numbers of intense rainfall events. Almost all of the energy that affects the climate on the earth originates from the sun. The energy output of the sun is not constant, it varies over time and it has an impact on our climate. Climate change is caused by factors that include oceanic processes, biotic processes, and variation in solar radiation received by Earth plate tectonics and volcanic eruptions, and human-induced alterations of the natural world. Vegetation coverage on the land also affects our climate.

On the global scale, patterns of vegetation and climate are closely correlated. Vegetation absorbs carbon dioxide and this can buffer some of the effects of global warming. Each of the above factors contributes to changes in the Earth’s climate; however the way they interact with each other makes it more complicated. The enormity of global warming can be daunting and dispiriting. What can one person, or even one nation, do on their own to slow and reverse climate change? But just as ecologist Stephen Pacala and physicist Robert Socolow, both at Princeton University, came up with 15 so-called “wedges” for nations to utilize toward this goal- each of which is challenging but feasible and, in some combination, could reduce greenhouse gas emissions to safer levels- there are personal lifestyle changes that you can make too that, in some combination, can help reduce your carbon impact. Not all are right for everybody. Some you may be already doing or absolutely abhor. But implementing just a few of them could make a difference.

The first challenge is eliminating the burning of coal, oil and eventually, natural gas. This is perhaps the most daunting challenge as denizens of richer nations literally eat, wear, work, play and even sleep on the products made from such fossilized sunshine. We can also try to: upgrade our infrastructure, move closer to work, consume less, be efficient, eat smart, go vegetarian, stop cutting down trees, unplug, one child and save future fuels. These are some of the solutions that we need to try hard or anything else that we think will help to reduce the hazardous changes in climate otherwise the we all are going to die sooner.

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