UGC NET People & Environment 2026: Complete Guide

UGC NET People And Environment Notes 2026: Are you preparing for UGC NET Paper 1? Do you have the latest ugc net people and environment notes? Don’t worry! Here we have provided the comprehensive UGC NET People And Environment Notes for 2026.

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UGC NET People And Environment UGC NET Notes 2026

UGC NET Exam is the exam that tests the eligibility of Indian Nationals for ‘Assistant Professor’ or for ‘Junior Research Fellowship and Assistant Professor’ both in Indian Universities and Colleges.

People Development and Environment is an essential part of the UGC NET Paper 1 Syllabus 2026. With proper preparation and Environment notes for UGC NET PDF, you can easily attempt all the questions in the Paper-I exam. The syllabus for this section remains consistent, focusing on environmental awareness and sustainable development concepts that are crucial for today’s academic and research landscape.

Environmental studies has become more relevant than ever in 2026, with increasing focus on climate action and sustainable development goals. The official NTA UGC NET examination continues to emphasize this section as it tests candidates’ understanding of contemporary environmental challenges and solutions.

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Get Complete Notes On People and Environment UGC NET

You will find the various Environmental Issues in UGC NET People And Environment UGC NET Notes.

The environmental challenges we face in 2026 can be broadly categorized into local and global issues. Understanding these classifications helps students approach questions systematically during the exam.

Local Environmental Issues

• Waste Disposal – Municipal solid waste management has become critical with urbanization
• Water Scarcity – Affecting both rural and urban areas across India
• Desertification – Land degradation in arid and semi-arid regions
• Pollution – Air, water, soil, and noise pollution at community levels
• Endangered Species – Local flora and fauna under threat

Regional And Global Environmental Issues

• Global warming – Temperature rise and its cascading effects
• Ocean Acidification – pH changes affecting marine ecosystems
• Pollution – Transboundary pollution affecting multiple regions
• Acid Rain – Industrial emissions causing environmental damage
• Ozone Depletion – Stratospheric ozone layer thinning
• Polar Melting – Ice cap reduction and sea level rise

Here you can understand Pollution and Climate Change in comprehensive detail. These topics frequently appear in UGC NET Paper 1 questions.

Pollution

Pollution refers to the addition of any substance (solid, liquid, or gas) or any form of energy (such as heat, sound, or radioactivity) to the environment at a rate faster than it can be dispersed, diluted, decomposed, recycled, or stored in some harmless form.

The concept of pollution has evolved significantly, and in 2026, we recognize newer forms like plastic pollution, electronic waste, and light pollution alongside traditional categories.

Pollutants are generally grouped under two classes:

• Biodegradable pollutants
  • Examples of such pollutants are domestic waste products, urine and faucet matter, sewage, agricultural residue, paper, wood, and cloth, etc. These materials can be broken down by natural processes over time.
• Non-Biodegradable pollutants
  • Non-biodegradable pollutants have stronger chemical bondage and do not break down into simpler and harmless products. These include various insecticides and other pesticides, mercury, lead, arsenic, aluminum, plastics, radioactive waste, etc. These persist in the environment for extended periods.

Types of Environmental Pollution: UGC NET People Development And Environment Notes

Pollution can be classified mainly into four categories- Air pollution, Water pollution, Soil pollution, and Noise pollution. Each type has distinct sources, effects, and control measures that students must understand thoroughly.

Air Pollution

Air pollution refers to the addition of pollutants into the air that is detrimental to human beings and the planet as a whole. The problem has intensified in urban areas, making it a critical study topic for environmental awareness.

Sources Of Air Pollution:

The pollutants are added to the atmosphere by the following sources:

• Automobiles – Contributing to vehicular emissions and smog formation
• Electrical Power Plants – Coal-based thermal power stations
• Industrial Processes – Manufacturing units and chemical industries
• Heating Plants – Residential and commercial heating systems
• Agricultural burning – Crop residue burning, especially in North India
• Construction activities – Dust and particulate matter generation

Major Air Pollutants – Their Sources And Their Impact

Understanding the relationship between sources and impacts helps students answer application-based questions effectively. The Central Pollution Control Board regularly monitors these parameters across Indian cities.

Water Pollution

Water pollution is the contamination of water bodies like lakes, rivers, oceans, aquifers, and groundwater by pollutants, very often through human activities, which leads to harmful effects on aquatic ecosystems and human health.

Sources Of Water Pollution

• Natural Sources: These include decay and decomposition of plants and animals, volcanic eruptions, coastal cliff erosion, landslides, and soil erosion. While these are natural processes, human activities often accelerate their impact.
• Anthropogenic Sources: These include industrial discharge, urban sewage, agricultural runoff, and cultural sources like religious activities in water bodies.

Major Water Pollutants

• Industrial pollutants: Include heavy metals like boron, arsenic, zinc, lead, mercury. These bioaccumulate in the food chain.
• Agricultural pollutants: Insecticides, pesticides, chemical fertilizers, weed killers, and plant remains. Excessive use leads to eutrophication.
• Urban pollutants: Sulphate ions, nitrate ions, chlorine ions, sodium ions, calcium ions, and potassium ions from domestic sewage.
• Natural pollutants: Volcanic dust, debris caused by landslides, decomposed organic matter.
• Physical pollutants: Oil spills, grease, dissolved and suspended solids, volcanic dust.
• Biological pollutants: Pathogenic bacteria, viruses, and parasites from sewage discharge.

Effects of Water Pollution

• Death of aquatic (water) animals due to oxygen depletion and toxicity
• Irrigation by polluted water affects plants, resulting in yellowish coloration and defoliation
• Disruption of food chains and ecological balance
• Diseases like hepatitis, cholera, typhoid, jaundice, diarrhea, and skin diseases in humans
• Destruction of aquatic ecosystems and biodiversity loss
• Economic losses in fisheries and tourism sectors

Land Pollution

Land pollution is the destruction of the earth’s land surfaces, directly or indirectly as a result of human activities. It includes soil contamination and degradation that affects agricultural productivity and ecosystem health.

Sources Of Land Pollution

• Agricultural sources: Include waste produced by crops, animal manure and farm residues, chemical residues from pesticides, fertilizers, and insecticides. Modern intensive farming practices contribute significantly.
• Ashes: The residual matter that remains after solid fuels are burned. Bottom ash contains debris from burnt metal and glass waste and is not biodegradable. Fly ash is trapped by filters in incinerator chimneys.
• Mining sources: Include underground debris, piles of coal refuse, heaps of slag, and overburden materials from mining operations.
• Industrial sources: Include paints, chemicals, metals, aluminum, plastics, and toxic waste from manufacturing processes.
• Sewage Treatment: Includes biomass sludge and settled solids from wastewater treatment plants.
• Garbage or waste: Household or municipal waste such as glass, metal, cloth, plastic, wood, paper, and electronic waste.
• Deforestation: Results in soil erosion, desertification, and land degradation, reducing soil fertility.
• Chemical And Nuclear Plants: Chemical waste and radioactive materials disposed of in landfills pose long-term contamination risks.

Effects Of Land Pollution

• Hazardous chemicals can eliminate beneficial soil organisms and reduce soil fertility
• Activities like landfilling, mining, and industrial operations are destructive to natural vegetation
• Can cause arsenic poisoning, leading to liver, skin, heart cancers, and neurological damage
• Groundwater contamination affects drinking water quality
• Reduced agricultural productivity impacts food security
• Habitat destruction affects wildlife and biodiversity

Noise Pollution

Noise is an unwanted sound or unpleasant sound which produces discomfort in the ears. Noise is considered environmental pollution and has become a serious urban problem in 2026.

Sources Of Noise Pollution

• Household sources: Gadgets like TV, loudspeakers, grinders, food mixers, dryers, vacuum cleaners, washing machines, coolers, and air conditioners.
• Social events: Places of worship, parties, discos, weddings, and other social gatherings with high-volume music systems.
• Industrial and Commercial activities: Printing presses, construction sites, manufacturing industries, and heavy machinery operations.
• Transportation: Airplanes flying over residential areas, trains (both overground and underground), road vehicles, and traffic congestion.
• Urban infrastructure: Construction activities, road drilling, and maintenance work in cities.

Effects Of Noise Pollution

Noise pollution may lead to various health and social problems including hearing loss, sleep disruption, stress-related illnesses, speech interference, lost productivity, cardiovascular problems, and behavioral changes in children and adults.

Climate Change

Climate change can be defined as significant changes in global temperature, wind patterns, sea levels, precipitation, and other measures of climate that occur over several decades. In 2026, climate change remains one of the most pressing global challenges.

Climate change is evident in the form of:

• Global temperature rise – Average temperatures continuing to increase
• Warming oceans – Ocean temperatures rising, affecting marine life
• Shrinking ice sheets – Arctic and Antarctic ice loss accelerating
• Glacial retreat – Mountain glaciers melting worldwide
• Decreased snow cover – Reduced snowfall and earlier melting
• Sea level rise – Coastal areas facing increasing flood risks
• Declining Arctic sea ice – Summer ice extent reaching record lows
• Ocean acidification – Increased CO2 absorption making oceans more acidic
• Extreme weather events – More frequent and intense storms, droughts, and heatwaves

Causes Of Climate Change

• Increased Greenhouse Effect: The greenhouse effect is the warming that results when the atmosphere traps heat radiating from Earth toward space. Gases that contribute to the greenhouse effect include Nitrous Oxide (N₂O), Carbon Dioxide (CO₂), Water Vapour (H₂O), Methane (CH₄), and Chlorofluorocarbons (CFCs).
• Burning of fossil fuels: Coal, oil, and natural gas combustion has increased the concentration of atmospheric carbon dioxide (CO₂) significantly.
• Industrial activities: These activities have raised atmospheric carbon dioxide levels from 280 parts per million to over 420 parts per million in the last 150 years.
• Deforestation: Reduces the Earth’s capacity to absorb CO₂, contributing to greenhouse gas accumulation.
• Agriculture: Livestock farming produces methane, while rice cultivation releases both methane and nitrous oxide.

Future Effects Of Climate Change

• Sea level will rise 1 to 4 feet by 2100, threatening coastal cities and islands
• The Arctic Ocean is likely to become ice-free during summers
• Hurricanes and cyclones will become more intense and stronger
• Climate change will result in more frequent droughts and heatwaves
• Changes in precipitation patterns affecting agriculture and water resources
• Frost-free season (and growing season) will lengthen, affecting crop cycles
• Temperatures will continue to rise, with some regions becoming uninhabitable
• Increased migration due to climate-induced displacement
• Food security challenges as agricultural zones shift

Other Important UGC NET Paper 1 Notes

Government Initiatives and Environmental Laws

The Central Pollution Control Board (CPCB) and various government agencies have taken several positive steps to minimize pollution of the environment, as mentioned in the UGC NET People And Environment Notes.

India’s environmental governance framework has evolved significantly, with new policies and amendments being introduced regularly. Understanding these legal frameworks is crucial for UGC NET preparation.

Important Environmental Laws:

• Water (Prevention and Control of Pollution) Act, 1974
  • The Water (Prevention and Control of Pollution) Act was enacted in 1974 to provide for the prevention and control of water pollution, and for maintaining or restoring the wholesomeness of water in the country. The Act was amended in 1988 to strengthen enforcement mechanisms.
• Air (Prevention and Control of Pollution) Act, 1981
  • The Air (Prevention and Control of Pollution) Act was enacted in 1981 and amended in 1987 to provide for the prevention, control, and abatement of air pollution in India. It established air quality standards and emission norms.
• Water Cess Act, 1977 – Provides for levy and collection of cess on water consumed by industries
• Environment (Protection) Act, 1986 – Umbrella legislation providing framework for environmental protection
• Public Liability Insurance Act, 1991 – Provides immediate relief to victims of industrial accidents
• National Environmental Tribunal Act, 1995 – Establishes tribunals for environmental compensation
• National Environmental Appellate Authority Act, 1997 – Appellate authority for environmental clearances
• Compensatory Afforestation Fund Management and Planning Authority (CAMPA) – Manages funds for forest conservation
• The Biological Diversity Act 2002 was born out of India’s attempt to realize the objectives enshrined in the United Nations Convention on Biological Diversity (CBD) 1992, which recognizes the sovereign rights of states to use their own biological resources.
• The National Green Tribunal was established on October 18, 2010, under the National Green Tribunal Act 2010 for effective and expeditious disposal of cases relating to environmental protection and conservation of forests and other natural resources. It includes enforcement of legal rights relating to the environment and providing relief and compensation for damages to persons and property. It is a specialized body equipped with necessary expertise to handle environmental disputes involving multi-disciplinary issues.

Recent Environmental Initiatives (Updated for 2026):

• National Clean Air Programme (NCAP) – Targeting 20-30% reduction in PM2.5 and PM10 concentrations
• Swachh Bharat Mission – Focus on waste management and sanitation
• National Solar Mission – Promoting renewable energy adoption
• Plastic Waste Management Rules – Comprehensive plastic waste regulation
• E-waste Management Rules – Electronic waste handling and recycling
• Battery Waste Management Rules – Safe disposal and recycling of batteries
• Construction and Demolition Waste Management Rules – Urban waste management

International Environmental Agreements India is Party to:

• Paris Agreement on Climate Change
• Montreal Protocol on Ozone Depleting Substances
• Convention on Biological Diversity
• United Nations Framework Convention on Climate Change
• Basel Convention on Hazardous Wastes
• Stockholm Convention on Persistent Organic Pollutants

We have covered the comprehensive guide on UGC NET People And Environment Notes 2026. These notes will help you understand the environmental concepts thoroughly and perform well in your examination.

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