Tag: renewable

Is Global Warming a Threat? Rising Temperature

Article

October 11, 2022
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5 min
1 year
872 words

Tagged carbon dioxide, Earth, global warming, India, renewable

Is Global Warming a Threat? Rising Temperature

Global warming is the long-term warming of the planet’s overall temperature. Though warming trend has been going on for a long time, its pace has significantly increased in last hundred years.

Keywords: Global Warming, temperature, carbon dioxide, renewable, sustainable, earth, India

Global warming is the long-term warming of the planet’s overall temperature. Though warming trend has been going on for a long time, its pace has significantly increased in last hundred years.

According to the Intergovernmental Panel on Climate Change (IPCC), global temperature is likely to rise by about 1-3.5 Celsius by the year 2100. It has also been suggested that climate might warm by as much as 10 degrees Fahrenheit over the next 100 years. It has become a major threat to mankind.

INTRODUCTION

Global warming is a gradual increase in the overall temperature of the earth’s atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants.

It is the long-term heating of the Earth’s surface observed since the pre-industrial period (between 1850 and 1900) due to human activities.

WHY IS IT A THREAT?

Polluted air and steadily rising temperatures are linked to health effects ranging from increased heart attacks and strokes to the spread of infectious diseases and psychological trauma.
It is the cause of decreased harvests, increased floods, droughts, extreme weather events, desertification, and the displacement of hundreds of millions of people.
It will lead to the collapse of multiple population centres around the world.
It affects oceans and life in the oceans.
Because of global warming, crops do not grow, animals do not live and as a result, our food supply lessens and causes human extinction.
The rising sea levels caused by global warming will undoubtedly cause an ecological disaster.

CAUSES OF GLOBAL WARMING

DEFORESTATION: Forests are being depleted for many domestic and commercial purposes. This has led to an environmental imbalance, thereby giving rise to global warming.
VOLCANOES: The ash and smoke emitted during volcanic eruptions go out into the atmosphere and affect the climate.
USE OF VEHICLES: Vehicles burn fossil fuels which emit a large amount of carbon dioxide and other toxins into the atmosphere resulting in a temperature increase.
MELTING PERMAFROST: Permafrost is frozen soil that has environmental gases trapped in it for several years and is present below Earth’s surface. It is present in glaciers. As the permafrost melts, it releases the gases back into the atmosphere, increasing Earth’s temperature.
FOREST BLAZES: Forest blazes or forest fires emit a large amount of carbon-containing smoke. These gases are released into the atmosphere and increase the earth’s temperature resulting in global warming.
CHLOROFLUOROCARBON: With the excessive use of air conditioners and refrigerators, humans have been adding CFCs into the environment which affects the atmospheric ozone layer. The ozone layer protects the earth’s surface from the harmful ultraviolet rays emitted by the sun. The CFCs have led to ozone layer depletion making way for the ultraviolet rays, thereby increasing the earth’s temperature.
INDUSTRIAL DEVELOPMENT: With the advent of industrialization, the temperature of the earth has been increasing rapidly. The harmful emissions from the factories add to the increasing temperature of the earth.
OVERPOPULATION: An increase in population means more people are breathing. This leads to an increase in the level of carbon dioxide, the primary gas causing global warming.

GLOBAL WARMING EFFECTS ON

Biodiversity: The increase in temperatures and the climate upheavals disturb the ecosystems, and modify the conditions and cycles of plant reproduction. The scarcity of resources and climate change are changing the life habits and migratory cycles of animals.
Oceans: Because of global warming, permafrost and ice are melting massively at the poles, increasing the sea level at a rate never known before. A large amount of CO2 captured by the oceans makes them more acidic, arousing serious questions about the adaptability of seashells or coral reefs.
Humans: It creates a scarcity of resources like food and energy. Rising sea levels and floods are causing population migration.
Weather: More droughts and heatwaves, more precipitation, more natural disasters like floods, hurricanes, storms and wildfires, frost-free season, etc.

PREVENTION OF GLOBAL WARMING

Renewable Energies: It can be prevented by replacing the use of fossil fuels with renewable energies such as solar, wind, biomass and geothermal.
Energy and Water Efficiency: Reducing the consumption of energy and water by using more efficient devices. Example: LED light bulbs, innovative shower systems) are less costly and are an effective way to prevent global warming.
Sustainable Transportation: Promoting public transportation, carpooling, and also electric and hydrogen mobility. It can help in reducing CO2 emissions and thus will fight global warming.
Sustainable Infrastructure: Encouraging better use of natural resources, stopping massive deforestation as well as making agriculture greener and more efficient.
Responsible Consumption and Recycling: Adopting responsible consumption habits is crucial. Be it regarding food (particularly meat), clothing, cosmetics or cleaning products.

CONCLUSION

The Earth is warming up at a steady pace. It is essential to develop a portfolio or mix of strategies that includes:

mitigation,
adaptation,
technological development (to enhance both adaptation and mitigation) and
research (on climate science, impacts, adaptation and mitigation).

The fight against climate change is a real opportunity to transition to a low-carbon society, creating jobs, innovation and social justice locally and internationally.

Author: Tanishka Ranjan

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Solar Energy: The Near Future? | Importance of Solar Energy

Article

March 12, 2022
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5 min
2 years
861 words

Tagged electricity, heat, Keywords: Solar Energy, renewable

Solar Energy: The Near Future? | Importance of Solar Energy

Keywords: Solar Energy, electricity, heat, renewable

Written By: Anushka Thakur

INTRODUCTION

Solar energy is the energy generated by sunlight, photovoltaics and heat which is also known as solar thermal energy. It is used to generate electricity or heat. Inexhaustible and renewable as it comes from the sun, solar energy is used through panels and mirrors. It is inexhaustible and renewable as its source is the sun. Solar energy is observed and used through solar panels and mirrors. Photovoltaic solar cells convert sunlight directly into electricity through what is known as the photovoltaic effect.In which certain materials are able to absorb photons (light particles) and release electrons, creating an electrical current. Whereas, solar collectors use plates or mirrors to absorb and concentrate the sun’s heat. Transfer it into a liquid and guide it through pipes that are used in buildings and systems as well as for generating electricity (solar-thermal-electric).

WHY IS SOLAR ENERGY IMPORTANT?

1. Renewable:

Compared to standard energy sources equivalent to coal, gas, oil and nuclear reserves, from those clean energies are finally even as offered because of the sun. From which they originate and which adapt to natural cycles, hence the name “renewable”. Component of a property energy system that permits development nowadays while not endangering that of future generations.

2. Competitively Increasing:

Nowadays renewables, specifically wind and electrical phenomena, are cheaper than standard energies in abundance in the world. The most renewable technologies – appreciate wind and star photovoltaic – are drastically reducing their costs. Such that they’re totally competitive with conventional sources in a very growing range of locations. Economies of scale and innovation are already leading to renewable energies changing into the foremost property solution, not solely environmentally however additionally economically, for powering the world.

3. Non-Contaminating:

Solar energy does not emit harmful or polluting substances into the air that can be terribly harmful to the atmosphere and humans. Pollutants can acidify terrestrial and aquatic ecosystems and corrode buildings. Air pollutants can cause heart disease, cancer, and metabolic diseases such as asthma. Solar energy does not generate waste or pollute water, an issue that is critical in the face of water scarcity. Unlike fossil fuels and nuclear power plants, wind power has a single water usage footprint at the bottom, making it a key to conserving water resources.

4. Promotes wealth and jobs:

In addition, wind energy is “indigenous” energy as it is available practically everywhere in the plant. Which makes it possible to reduce energy imports and create local prosperity and jobs. to sustainable development.

Solar energy, on the other hand, will never die of shining, since the Sun still has 6.5 billion years of life in line with NASA. Indeed, in rather less time, star technology in some countries has evolved to contend with typical sources of electricity generation. In precisely a couple of decades’ time, it’ll become the key part of a property energy system for the world.

Additionally, the conditions for the event of solar power couldn’t be perfect: The Sun bathes the world hourly with enough light-weight and warmth to meet international wants for a full year; in alternative words, radiation will satisfy our energy needs 4,000 times over.

NEW TECHNOLOGIES INTRODUCED IN 2021:-

There are 5 solar power technologies that have been introduced in this year itself which are as follows: –

Building Integrated Photovoltaics.
Floating Photovoltaic Solar Panels.
Thin-Film Solar Cells.
Solar Lighting.
Photovoltaic Noise Barriers.

Many buildings have surfaces that would simply contribute to alternative energy while not detracting from their image. The aesthetic attractiveness of Building Integrated Photovoltaics (BIPV) could dramatically increase the employment of star energy. Custom-made panels are already being fitted into fine arts options reminiscent of anopies and terraces. However, the foremost versatile product is PV glass. It’s factory-made from clear electrical phenomenon cells. The PV glass is toughened and lets daylight enter a building whereas manufacturing energy unseen. It’s a feature which will easily be put in once refurbishing an advertisement space. Imaginatively incorporating solar power into design has several advantages. There’s an infinite supply of energy, shrivelled maintenance costs, improved sound insulation and thermal optimization. It’s an excellent step towards a zero-carbon footprint.

Floating Solar Panels

Lakes and reservoirs have some of the largest areas available that have the potential to generate solar energy. A big advantage is that floating photovoltaic solar panels produce huge amounts of energy without occupying valuable land or real estate. The first commercial use of floating solar panels was in Japan in 2007. Photovoltaic solar panels generally use an air cooling system to prevent them from overheating. But in the floating version, water was found to increase electricity production by 10%. This was due to the cooling effect of the water under the panels.

The cost of maintaining the panels of a floating system is cheaper. This is because the water helps the panels to stay clean from dirt. In addition, the management of lake or reservoir water inadvertently becomes more practical. The shadow cast by the panels helps considerably to reduce the excessive formation of algae. The extent of floating solar panels considerably reduces the evaporation of water.

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