CAUSES AND EFFECTS OF CLIMATE CHANGE Glaciers are melting, sea levels are rising, cloud forests are dying, and wildlife is scrambling to keep pace. It's becoming clear that humans have caused most of the past century's warming by releasing heat-trapping gases as we power our modern lives. Called greenhouse gases, their levels are higher now than in the last 650,000 years. We call the result global warming, but it is causing a set of changes to the Earth's climate, or long-term weather patterns, that varies from place to place. As the Earth spins each day, the new heat swirls with it, picking up moisture over the oceans, rising here, settling there.
THE EFFECTS OF GLOBAL WARMING AND THE WAYS TO OVERCOME Nowadays, global warming has grabbed the experts and the scientists’ attention. It is the most critical issue that our world facing in the 21st century. Global warming is the gradual heating of Earth 's surface, oceans and atmosphere. Global warming occurred, when carbon dioxide increases in the air and the air start to be warmer and hotter. The increase in volume of carbon dioxide and other greenhouse gases released from the burning of fossil fuels, land clearing, agriculture, and other human activities.
An unnatural weather change is the trudging warming of the earth outer surface, due to the constantly increasing temperature of the climate that happen because of some common and human made causes. To find the best solution for this issue, it is vital to identify the causes of this alarming problem. Carbon dioxide emissions, gas methane outflows, and deforestation are three main causes of global warming.
Effects on the Environment: There are profound effects on the environment on account of an increase in our carbon footprints. Due to the rising temperatures and shifting precipitation patterns there have been changes in the growing patterns of plants which has resulted in indigenous vegetation moving to increasingly cooler climates. Sea levels are rising as the temperature of our planet increases and warmer water occupies more space than cooler water. These rising seas will not only erode shorelines and destroy ecosystems but also completely displace the coastal cities and towns. 3.
With no greenhouse effect, the average of the global temperature of the Earth would change from 15 to -18 Celsius. In addition, the concentration of the carbon dioxide has increased and that is because of human influences. The releasing of this gas is caused by many activities that humans do, such as burning of fossil fuels and deforestation. As many scientists claim, this phenomenon will lead to enhancing the greenhouse effect and this will lead to making the planet warmer (Masih,
During the past century, human activities have been accountable for releasing substantial amounts of carbon dioxide and other greenhouse gases up into the atmosphere. Most of the gases comes from burning fossil fuel. Greenhouse gases in the atmosphere traps energy and reflects heat back to earth causing it to warm. This process is called the greenhouse effect and is completely natural and necessary to support life on earth. However, as these gases continue to increase, the climate changes and result in threatening effects.
Enhanced greenhouse effect is the aftermath of the rise of atmospheric gases also known as greenhouse gases such as carbon dioxide, methane and fluorinated gases in the Earth’s atmosphere. With the constant emissions of greenhouse gases being produced daily, there is an enormous imbalance being created that strengthens the greenhouse effect. Considering the fact that there are already greenhouse gases with the ability to trap heat that naturally occurs in the Earth’s atmosphere to help maintain the warmth of the Earth, any additional amounts of these greenhouse gases will lead to an increase of trapped heat on the planet. Any further increase in the amount of heat will affect the Earth’s weather patterns along with global warming. The greenhouse effect is an essential element to help maintain our planet warm to be able to sustain life.
Heating up of the Earth’s surface adds more vapour to the atmosphere which further builds up increases the moisture levels in storms (Meehl et al., 2000, p.433). According to IPCC, greenhouse gases (GHGs) mainly include gases such as water vapour, methane (CH4), carbon dioxide (CO2), nitrous oxide (N2O) and ozone (O3) and they display the ability to absorb and trap heat within the Earth’s atmosphere. This leads to global warming, meaning the warming up of the Earth’s natural atmosphere
Many effects can be seen in the future if global warming continues. It includes economic consequences, more hurricanes, a spread of diseases and earthquake. Human-emitted greenhouse gases cause excess heat which has warmed the world’s oceans during the past decades. Water expands when it warms, which leads to sea level rise (USNRC “Climate Change: Evidence, Impact, and Choices”). Moreover, the global warming has affected the life of other living things such as animals and plants.
This increment is due to the impact of greenhouse gases such as methane and carbon dioxide. These gases devour heat and does not let it escape from the earth, thus gradually intensifying the heat in the external atmosphere of the globe. This phenomenon is causing the glaciers to melt resulting in the rise of sea level. It is very dangerous as the areas with lower altitude could face enormous floods. There is a 0.8 degree Celsius increase in external temperature over the last century, more than one half of it took place in the previous 25 years.