DDT PDF Download

Author: United States. Environmental Protection Agency
Publisher:
ISBN:
Category : DDT (Insecticide)
Languages : en
Pages : 316

View

Book Description

Author: Karl Polanyi
Publisher: Amereon Limited
ISBN: 9780848817114
Category :
Languages : en
Pages : 0

View

Book Description

Author: Kathleen Dardes
Publisher: Getty Publications
ISBN: 0892363843
Category : Art
Languages : en
Pages : 582

View

Book Description
This volume presents the proceedings of an international symposium organized by the Getty Conservation Institute and the J. Paul Getty Museum. The first conference of its kind in twenty years, the symposium assembled an international group of conservators of painted panels, and gave them the opportunity to discuss their philosophies and share their work methods. Illustrated in color throughout, this volume presents thirty-one papers grouped into four topic areas: Wood Science and Technology, History of Panel-Manufacturing Techniques, History of the Structural Conservation of Panel Paintings, and Current Approaches to the Structural Conservation of Panel Paintings.

Author: Abid A. Ansari
Publisher: Springer Science & Business Media
ISBN: 9048196256
Category : Technology & Engineering
Languages : en
Pages : 402

View

Book Description
Eutrophication continues to be a major global challenge to water quality scientists. The global demand on water resources due to population increases, economic development, and emerging energy development schemes has created new environmental challenges to global sustainability. Eutrophication, causes, consequences, and control provides a current account of many important aspects of the processes of natural and accelerated eutrophication in major aquatic ecosystems around the world. The connections between accelerated eutrophication and climate change, chemical contamination of surface waters, and major environmental and ecological impacts on aquatic ecosystems are discussed. Water quality changes typical of eutrophication events in major climate zones including temperate, tropical, subtropical, and arid regions are included along with current approaches to treat and control increased eutrophication around the world. The book provides many useful new insights to address the challenges of global increases in eutrophication and the increasing threats to biodiversity and water quality.

Author: Felix Driver
Publisher: UCL Press
ISBN: 178735508X
Category : Art
Languages : en
Pages : 372

View

Book Description
Mobile Museums presents an argument for the importance of circulation in the study of museum collections, past and present. It brings together an impressive array of international scholars and curators from a wide variety of disciplines – including the history of science, museum anthropology and postcolonial history - to consider the mobility of collections. The book combines historical perspectives on the circulation of museum objects in the past with contemporary accounts of their re-mobilisation, notably in the context of Indigenous community engagement. Contributors seek to explore processes of circulation historically in order to re-examine, inform and unsettle common assumptions about the way museum collections have evolved over time and through space. By foregrounding questions of circulation, the chapters in Mobile Museums collectively represent a fundamental shift in the understanding of the history and future uses of museum collections. The book addresses a variety of different types of collection, including the botanical, the ethnographic, the economic and the archaeological. Its perspective is truly global, with case studies drawn from South America, West Africa, Oceania, Australia, the United States, Europe and the UK. Mobile Museums helps us to understand why the mobility of museum collections was a fundamental aspect of their history and why it continues to matter today. Praise for Mobile Museums 'This book advances a paradigm shift in studies of museums and collections. A distinguished group of contributors reveal that collections are not dead assemblages. The nineteenth and twentieth centuries were marked by vigorous international traffic in ethnography and natural history specimens that tell us much about colonialism, travel and the history of knowledge – and have implications for the remobilisation of museums in the future.’ – Nicholas Thomas, University of Cambridge 'The first major work to examine the implications and consequences of the migration of materials from one scientific or cultural milieu to another, it highlights the need for a more nuanced understanding of collections and offers insights into their potential for future re-mobilisation.' – Arthur MacGregor

Author: Paul K. Conkin
Publisher: University Press of Kentucky
ISBN: 081313868X
Category : History
Languages : en
Pages : 240

View

Book Description
At a time when food is becoming increasingly scarce in many parts of the world and food prices are skyrocketing, no industry is more important than agriculture. Humans have been farming for thousands of years, and yet agriculture has undergone more fundamental changes in the past 80 years than in the previous several centuries. In 1900, 30 million American farmers tilled the soil or tended livestock; today there are fewer than 4.5 million farmers who feed a population four times larger than it was at the beginning of the century. Fifty years ago, the planet could not have sustained a population of 6.5 billion; now, commercial and industrial agriculture ensure that millions will not die from starvation. Farmers are able to feed an exponentially growing planet because the greatest industrial revolution in history has occurred in agriculture since 1929, with U.S. farmers leading the way. Productivity on American farms has increased tenfold, even as most small farmers and tenants have been forced to find other work. Today, only 300,000 farms produce approximately ninety percent of the total output, and overproduction, largely subsidized by government programs and policies, has become the hallmark of modern agriculture. A Revolution Down on the Farm: The Transformation of American Agriculture since 1929 charts the profound changes in farming that have occurred during author Paul K. Conkin's lifetime. His personal experiences growing up on a small Tennessee farm complement compelling statistical data as he explores America's vast agricultural transformation and considers its social, political, and economic consequences. He examines the history of American agriculture, showing how New Deal innovations evolved into convoluted commodity programs following World War II. Conkin assesses the skills, new technologies, and government policies that helped transform farming in America and suggests how new legislation might affect farming in decades to come. Although the increased production and mechanization of farming has been an economic success story for Americans, the costs are becoming increasingly apparent. Small farmers are put out of business when they cannot compete with giant, non-diversified corporate farms. Caged chickens and hogs in factory-like facilities or confined dairy cattle require massive amounts of chemicals and hormones ultimately ingested by consumers. Fertilizers, new organic chemicals, manure disposal, and genetically modified seeds have introduced environmental problems that are still being discovered. A Revolution Down on the Farm concludes with an evaluation of farming in the twenty-first century and a distinctive meditation on alternatives to our present large scale, mechanized, subsidized, and fossil fuel and chemically dependent system.

Author: Melissa Vogt
Publisher: Ubiquity Press
ISBN: 1911529781
Category : Philosophy
Languages : en
Pages : 245

View

Book Description
Dr. Melissa Vogt considers the influence of Rainforest Alliance and Fairtrade in coffee farming communities of Costa Rica from 2009-2019. Sustainability certifications schemes are working amongst a range of sustainability efforts, unique by their intra market location. The intentions of each certification scheme must be clarified prior to evaluation and their influence considered amongst contextually specific historic and contemporary considerations, and alongside the range of sustainability efforts. The advantages and disadvantages, opportunities for improvement and how alternative mechanisms might improve upon or complement sustainability certification schemes are explained. An epilogue considers how prioritisation of coffee as a cash crop may align with sustainability. The influence on biodiversity, community health and income, and the possible implication of reduced coffee crop density for consumers, the market and farming landscapes is considered. How sustainability standards might better encourage more ambitious sustainability in farming landscapes is for future consideration.

Author:
Publisher:
ISBN:
Category : Camps
Languages : en
Pages : 168

View

Book Description

Author: Kathleen A. Hicks
Publisher: Mississauga, Ont. : Friends of the Mississauga Library System
ISBN: 9780969787358
Category : Meadowvale (Mississauga, Ont.)
Languages : en
Pages : 294

View

Book Description

Author: Berkley Hudson
Publisher: UNC Press Books
ISBN: 146966271X
Category : Photography
Languages : en
Pages : 269

View

Book Description
Photographer O. N. Pruitt (1891–1967) was for some forty years the de facto documentarian of Lowndes County, Mississippi, and its county seat, Columbus--known to locals as "Possum Town." His body of work recalls many FSA photographers, but Pruitt was not an outsider with an agenda; he was a community member with intimate knowledge of the town and its residents. He photographed his fellow white citizens and Black ones as well, in circumstances ranging from the mundane to the horrific: family picnics, parades, river baptisms, carnivals, fires, funerals, two of Mississippi's last public and legal executions by hanging, and a lynching. From formal portraits to candid images of events in the moment, Pruitt's documentary of a specific yet representative southern town offers viewers today an invitation to meditate on the interrelations of photography, community, race, and historical memory. Columbus native Berkley Hudson was photographed by Pruitt, and for more than three decades he has considered and curated Pruitt's expansive archive, both as a scholar of media and visual journalism and as a community member. This stunning book presents Pruitt's photography as never before, combining more than 190 images with a biographical introduction and Hudson's short essays and reflective captions on subjects such as religion, ethnic identity, the ordinary graces of everyday life, and the exercise of brutal power.