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The Market Forces scenario assumes that world development evolves without major discontinuities , changes in values or other structural ruptures from the position as it existed at the end of the 20th century . Studies are often transferable after being adjusted for pollution characteristics and demography . Nineteenth-century anthologies , like their modern successors , were intended to introduce readers to the standard works of literature . Literary taste in the generation after Angelica is represented by her niece , Mary Carter Singleton . The challenge today is therefore to increase energy efficiency , and meet the rising demand by urgently promoting forms of energy that reduce or eliminate harmful emissions , without compromising energy needs – particularly those of the poor . The relative price of cleaner options like natural gas influence choices made by industries ( Box 3 ) . A scenario is a story , told in words and numbers , concerning the manner in which future events could unfold , and offering lessons on how to direct the flow of events towards sustainable pathways and away from unsustainable ones . The good news is that clean technology is now largely available to provide access to energy , without compromising public and ecosystem health . Despite rising oil prices , the impact of severe natural disasters and the threat of bird flu , the region made significant progress towards achieving the Millennium Development Goals . Like water and sanitation , indoor air pollution can be made a focus of primary health care programmes . This is one of Angelica 's later books , dating after the move to New York . Coping capacity increases as you move from the state of vulnerability towards security and vice versa , along the continuum . In some cases , the people who are worst affected by the negative impacts of energy-related emissions are the poorest , who have contributed the least towards them . Broadly , our agenda is to give a human face to environmental issues ; empower people to become active agents of sustainable and equitable development ; promote an understanding that communities are pivotal to changing attitudes towards environmental issues ; and advocate partnership which will ensure all nations and peoples enjoy a safer and more prosperous future . Most of her novels were written in the 1830 's but not published till after her death . This volume , an epistolary work which , like Cooper 's , includes observations on travels in the Alps and in Italy , was published as " by the author of ' Hope Leslie , ' ' The Poor Rich Man and the Rich Poor Man , ' ' Live and Let Live , ' etc. " Perhaps Angelica 's taste in fiction , or reading tastes generally , grew more moralistic in mid-century . Easily achievable goals that can result in a considerable reduction of impacts can be given priority for quick results – such as removing toxics like lead and sulphur from fossil fuels , and phasing out household use of poisonous coals contaminated with toxic elements such as fluorine and arsenic .