Components of Ecosystem

  The components of the ecosystem is categorised into abiotic of non-living and biotic of living components. Both the components of ecosystem and environment are same.   Abiotic Components the inorganic and non-living parts of the world.  consists of soil, water, air, and light energy etc.  involves a ,large number of chemicals like oxygen, nitrogen-, … Read more

ECOLOGY- An Introduction

    Ecology is  defined “as a scientific study of the relationship of the living organisms with each other and with their environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas-Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more

Coastal Regulation Zone

 Act of 1991 To regulate development activity on India’s coastline The approach adopted by the first notification was to define the ‘High Tide Line’ and ‘Coastal Regulation Zone’ and thereafter specify the activities permitted and restricted in the vicinity of the CRZ This regulated zone was further divided into four categories (CRZ 1-4) as per permitted … Read more

Wetland Conservation Programme, Ramsar Convention and The Montreux Record.

Wetland Conservation Programme Wetlands are lands transitional between terrestrial and aquatic system where the water table is usually near the water surface and land is covered by shallow water. Essential as: control floods, water treatment, recharging of water sources, reduce sediments, check soil erosion, bulwark against encroachment by the sea, winter resort for birds and … Read more

CoP15 (Copenhagen Summit)

Main aim was to establish a global climate agreement for the period from 2012 when the first commitment period under the Kyoto Protocol expires The conference did not achieve any binding agreement for long term action A ‘political accord’ was negotiated by approximately 25 parties Collective commitment by developed countries for new and additional resources … Read more

Kyoto Protocol

The Kyoto Protocol has put in place three flexibility mechanisms to reduce emission of Green House Gases. Although the Protocol places maximum responsibility of reducing emissions on the developed countries by committing them to specific emission targets, the three mechanisms are based on the premise that reduction of emissions in any part of the globe … Read more

Inter-governmental action

IPCC UN Conference on Environment and Development (Earth Summit), 1992 Agenda 21 An action plan of UN relating to sustainable development adopted at the Earth Summit, 1992 UNFCCC Kyoto Protocol IPCC 1988 by World Meteorological Organisation and UNEP tasked with reviewing and assessing the most recent scientific, technical and socio-economic information produced worldwide relevant to … Read more

Climate Change Mitigation

Alternative Energy sources Renewable energy Nuclear Power Reduce the carbon intensity of fossil fuels Energy efficiency and conservation Transport and urban planning Building design Reforestation and avoid deforestation Eliminating waste methane Geoengineering Greenhouse gas remediation Biomass Carbon air capture Carbon capture and storage Societal control Population Sustainable life-style

Global Warming

An increase in the average temperature of Earth’s near surface air and oceans since the mid-20th century 4th assessment report of IPCC: global temperature increased 74+0.18 degree C during the 20th century. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of … Read more

Climate Change

It is the long term change in the statistical distribution of weather patterns over periods of time Though it has been happening naturally for millions of years, in recent years it has accelerated due to anthropogenic causes and has been causing global warming. UNFCCC defines climate change as – “a change of climate which is … Read more