TNPSC Prelims and Mains Notes-TNPSC Test Series
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
BT Brinjal In 2006, Maharashtra Hybird Seeds Company submitted biosafety and efficacy data to the GEAC and applied for permission to conduct large-scale trials At the same time SC imposed a ban on the on-going field trials An expert committee was constituted by GEAC to look into the concerns raised by several civil society actors … Read more
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
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
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
Bruntland Report (1983) was the first publication and recognition of the term ‘Sustainable Development’ “meeting the needs of the present generation without compromising the needs of the future generation” Three pillars of sustainable development (Bruntland) Care and respect for People, Planet and Prosperity (Commercial Activities) <hence poverty alleviation, conservation and business development> These three pillars … Read more
Treaty Signed/Into force Major Points Aarhus Convention on Access to information for public participation in decision making and access to justice in environmental matters 1998 Aarhus is a Danish city Adopted at the fourth ministerial conference in the ‘Environment for Europe’ process Links environmental rights and human rights India – No Vienna Convention for … Read more
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
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
Reducing Emissions from Deforestation and Forest Degradation (REDD) is a set of steps designed to use market/financial incentives in order to reduce the emissions of greenhouse gases from deforestation and forest degradation. Its original objective is to reduce green house gases but it can deliver “co-benefits” such as biodiversity conservation and poverty alleviation. REDD+ is … Read more