Global warming is the increase in the average temperature of the Earth’s near-surface air and oceans since the mid-20th century and its projected continuation. The Inter-governmental Panel on Climate Change (IPCC) concludes that increasing greenhouse gas concentrations resulting from human activity such as fossil fuel burning and deforestation are responsible for most of the observed temperature increase since the middle of the 20th century. The IPCC also concludes that natural phenomena such as solar variation and volcanoes produced most of the warming from pre-industrial times to 1950 and had a small cooling effect afterward. These basic conclusions have been endorsed by more than 45 scientific societies and academies of science, including all of the national academies of science of the major industrialized countries.
Climate model projections summarized in the latest IPCC report indicate that the global surface temperature will probably rise further during the twenty-first century. The uncertainty in this estimate arises from the use of models with differing sensitivity to greenhouse gas concentrations and the use of differing estimates future greenhouse gas emissions. Some other uncertainties include how warming and related changes will vary from region to region around the globe. Most, because of the large heat capacity of the oceans and the long lifetime of carbon dioxide in the atmosphere.
Increasing global temperature will cause sea levels to rise and will change the amount and pattern of precipitation, probably including expansion of subtropical deserts.
This Book titled “Global and Regional Perspectives on Global Warming” will be of immense help to all those contemplating to acquire an expert knowledge of global warming.
ABOUT THE AUTHOR Devendra Sahai
Er. Devendra Sahai is a qualified engineer and a management expert. After getting initial training in industrial management in London, he worked in India at the Indian Explosives Limited in different capacities. Er. Sahai is an excellent orator and a social activist engaged in voluntary and social work related to population education, global warming reduction, tree plantation and sustainable development. He has established Delhi Environmental Education Project (DEEP) and Diverse Ecological Enhancement Programme (DEEP) with a view to introducing eco-education in selected schools of Delhi, NCR and Uttarakhand.Er. Sahai has organised many national and international programmes. He has been facilitated by many organisations.
ABOUT THE AUTHOR M.L. Dewan
Madan Lal Dewan (Ph.D., Cornell, 1948), a soil scientist and watershed management expert by profession and a veteran Rotarian, has a distinguished career as an international Civil Servant with Food and Agricultural Organization.A very dedicated social worker, he has been working with and for the people of Uttarakhand and the Himalayas for the last 25 years. Dr. Dewan has done significant work at policy level. He was the Visiting Professor and Coordinator of Himalayan Eco System Programme with Centre for Policy Research, New Delhi and member of The National Land Use and Conservation Board of Government of India, 1984-87. He is the founder of HIMCON. He has given lead to Action Program by students, volunteers, farmers and farm women for tree planting, water harvesting & watershed management program. He has established a centre in Himalayas. People’s Participation and Rejuvenation of Himalayas Environment, Uttaranchal Vision and Action Program and 15 other books are amongst his published works. He has co-authored with Prof. M.R. Chilana a book “Human Value: A Task for All”. He is President of Mountain India People Forum (MIPF) and also President of Global Warming Reduction Centre (GWRC).
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