by admindelta

Renewable energy, like solar energy and Wind Energy, plays critical part, carbon emission reduction. The World has recognized the need for increasing renewable energy production, and many countries have strengthened its pace in investing solar power solutions, rooftop solar power systems, and other renewable energy solutions.

Since the arrival or Mr. Trump, many times he has been witnessed labelling climate change as ‘Hoax.’ The Recent appointment of Mr. Scott Pruitt as the head of The U.S. Environmental Protection Agency has created a sense of insecurity amongst the community worried about the changing climate. People are worried that mission of increasing solar power solutions, wind mill power plants, and other renewable energy sources would be derailed.

Evidence proving significant changes in climate:

Rise in Sea Level: In the last century, sea level has risen by about 17 centimeters (approx. 6.7 inches).

about 17 centimeters (approx. 6.7 inches). Global temperature: Temperature of the surface of the earth is on rising from the year 1880, but significant part of the rise is seen in last 35 years. In fact, the year 2015 and 2016 are recorded as warmest years in history.

Warming oceans: Sea water up to 700 meters (approx. 2300ft) is showing a rise by 0.30º Fahrenheit since the year 1969.

Shrinking ice sheets: Greenland has approximately loosed 250 cubic kilometers of ice while Antarctica has lost around 150 cubic meters.

Extreme Variations: Many countries in the world are witnessing extreme changes in high and low temperatures.

Lately, the Supreme Court of India intervened in decreasing tourist activities at Rohtang Pass due to severe damage on environment and snow cover inflicted by visiting tourists.

There are many such instances where humans are found disturbing the balance of the ecosystem.

Global Warming and its causes:

The average rise in the temperature of Earth’s surface is referred as Global Warming. We can divide the causes affecting global changes in the environment into three macro headings:

Natural Causes Manmade causes Short term and long term forcers

Natural Causes: Natural factors are external to the climate system. Human and its activities do not have any relevance to the severity of effects. Some of the major natural factors are:

Volcanic Eruption: volcano eruption has a very short-term impact on climate and is negligible in comparison.

Sun’s Output: same is in the case of solar output. There are changes in solar irradiance in last century, but its effect is quite minimal compared to post industrial revolution period.

Earth’s Orbit: Earth’s orbit has the least effect in above category, affecting the output of sun’s radiation and no further direct effect on climate.

Manmade causes: Major part of effect on climate has been caused by human activities. Post-Industrial Revolution, the negative influence of the activities of the human race, has substantially increased.

Industrial development has helped us in making our livings ravishingly easy but at the same time has increased CO2 levels considerably.

Due to extensions, we needed more area to expand our cities; the brunt of this step was faced by our forests. Deforestation has added to the problem of already increased levels of CO2.

For development, electricity is needed, more the development more the demand for energy. This demand is met by increased production and consumption of Non-renewable sources of energy.

There is consideration change in our ways of agriculture these days. The burning of agricultural wastes causes an increase in the level of methane.

Use of chemical based fertilizers in agriculture and use of chemicals in industrial production has also affected the environment.

Short term and long term forcers:

There are some factors which have long lasting effects on the climate change. These effects are caused by either human activities or natural process, but the effect of these elements lives for long like:

Carbon Dioxide: Burning of non-renewable sources through power plants, industries and vehicles have increased the levels of CO2 to such levels that its effect would keep influencing for long terms even if we change to renewable sources.

Likewise carbon dioxide, nitrous oxide is another greenhouse gas which has longstanding effect on climate

There are various reasons due to which forcers are produced which have a momentary effect like, incomplete combustion of fossil fuels, fertilizers, improper disposal of industrial wastes into earth and oceans. Some of the gasses are black carbon, methane, ozone, sulphate aerosols, etc.