Global warming

Global warming is a term used for a gradual rise of atmospheric temperature and consequent changes in the radiation balance mainly due to human action leading to climatic change at different levels – local, regional and global. As per recent estimates, it has been found that  the surface air temperature over the past 100 years … Read more

United Nations Environmental Conservation Programme (UNEP)

UNEP is the principal UN body in the field of the environment, assisting governments to address global,  regional  and  national  environmental  challenges.  Its  mandate  was  reinforced  at  the  United  Nations  Conference  on  Sustainable Development  (Rio+20)  and  through  the  Rio+20 outcome  document  “The  Future Want” . As a follow up to the Rio+20 Conference, UNEP has … Read more

Global Environmental Issues like Green House Effect, Green House Gases and their mitigation.

The Greenhouse Effect The greenhouse effect is a natural phenomenon that insulates the Earth . Incoming solar radiations are absorbed and reemitted back from the Earth’s surface as infrared energy, greenhouse gases (GHGs) in the atmosphere prevent some of this heat from escaping into space, instead reflecting the energy back to further warm the surface. Human … Read more

Climate Change

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 … Read more

Global Warming

Global warming is a term used for a gradual rise of atmospheric temperature and consequent changes in the radiation balance mainly due to human action leading to climatic change at different levels – local, regional and global. As per recent estimates, it has been found that  the surface air temperature over the past 100 years … Read more

PAPER – IV General Studies 3:Science and Technology,Environment & Ecology

  Section-I, Role and Impact of Science and Technology in Development of Indian, Information Technology In Public Domain 1. Basics of Science and Technology. Classical and emerging areas of science and Technology (S&T)- Value Addition by Science & Technology- Current Science & Technology developments in India and Importance of Science & Technology as an engine … Read more