Environment and Sustainable Development

Overview

Environment and Sustainable Development is a crucial topic in the CG TET Social Studies paper that bridges geography, civics, and current affairs. This topic tests your understanding of how human activities impact the natural world and what measures can ensure development without compromising future generations' needs.

For CG TET Paper II, expect 2-4 questions from this area. Questions typically focus on types and causes of pollution, effects of climate change, conservation methods, and international agreements. Given Chhattisgarh's significant forest cover (over 41% of state area) and industrial presence (Bhilai Steel Plant, coal mining), questions often have a regional flavour connecting pollution sources and conservation efforts specific to the state.

Mastering this topic requires understanding cause-effect relationships between human activities and environmental degradation, along with knowledge of key policies, acts, and global initiatives for environmental protection.

Key Concepts

• **Sustainable Development**: Development that meets present needs without compromising the ability of future generations to meet their own needs. Coined in the Brundtland Report (1987), also called "Our Common Future."

• **Environment**: The sum total of all living (biotic) and non-living (abiotic) components surrounding an organism, including air, water, soil, plants, animals, and human-made structures.

• **Pollution**: Introduction of harmful substances or contaminants into the natural environment causing adverse changes. Four major types: air, water, soil, and noise pollution.

• **Climate Change**: Long-term shift in global temperatures and weather patterns, primarily caused by human activities since the Industrial Revolution, especially burning of fossil fuels.

• **Greenhouse Effect**: Natural process where certain gases (CO2, methane, nitrous oxide) trap heat in the atmosphere. Human activities have intensified this effect, causing global warming.

• **Biodiversity**: Variety of life forms in an ecosystem. Includes genetic diversity, species diversity, and ecosystem diversity. India is one of 17 mega-biodiverse countries.

• **Conservation**: Protection, preservation, and sustainable management of natural resources including forests, wildlife, water, and soil.

• **Three Rs of Sustainability**: Reduce, Reuse, Recycle — the fundamental principles for waste management and resource conservation.

Formulas / Key Facts

| Fact | Detail | |------|--------| | Brundtland Report | 1987, defined sustainable development | | Kyoto Protocol | 1997, first binding agreement to reduce greenhouse gas emissions | | Paris Agreement | 2015, limit global warming to 1.5-2°C above pre-industrial levels | | Earth Summit | Rio de Janeiro, 1992, produced Agenda 21 | | World Environment Day | 5th June every year | | National Green Tribunal | Established 2010 for environmental disputes | | Chipko Movement | 1973, Uttarakhand, led by Sunderlal Bahuguna | | Forest Cover of India | Approximately 21.71% (State of Forest Report 2021) | | Chhattisgarh Forest Cover | Over 41% of state area | | Major Pollutants | CO2, SO2, NO2, particulate matter, lead | | Safe Noise Level | Below 85 decibels for prolonged exposure |