The report, based on a complex analytical methodology, provides a clear economic rationale for investing in improved water resources development and management in Kenya. It is part of the World Bank's policy dialogue on water resources management reforms and investment planning in Kenya. It focuses on the economic implications of two key factors that make the economy and people of Kenya highly vulnerablethe effects of climate variability and the steady degradation of the nation's water resources. The 1997-2000 El Nio-La Nia episodes cost the country Ksh 290 billion, about 14 percent of GDP.
Eighty percent of Kenya is arid and semi-arid land; yet despite chronic water scarcity, the country has developed only 15 percent of its available safe water resources. Demand for water is expected to rise, owing to population increases and growing requirements for irrigated agriculture, urban and rural populations, industries, livestock, and hydropower. Meanwhile, climate variability and the steady degradation of water resources cost Kenya at least 3.3 billion Kenyan shillings (Ksh) annually. Between 1997 and 2000, the El Nino-La Nina floods and droughts cost an estimated 290 billion Ksh, or 14 percent of gross domestic product (GDP) for the period. While it is not economical to avoid all costs, many of them can be minimized by increased investments in management and infrastructure, and more efficient, accountable, and participatory management and operation of the water sector.
The focus of this book is on the key water-related vulnerabilities to climate change in Africa, particularly in its most vulnerable areas, exploring potential management responses to such vulnerabilities. The African countries are particularly exposed and vulnerable to the negative impacts of climate change, with important impacts on water resources and hydrological systems, water availability, water resource management and sea level variations. Already, under various anthropogenic pressures, the status of water resources in Africa has been changing over the past decades, with decreasing water quality, falling groundwater levels, and variability in rainfall, both in terms of timing and intensity. Climate change will further accelerate the rate of change, affecting the ability of people and societies to respond in a timely manner. It is clear that there is no quick fix to the pressures imposed on water resources by climate change. Increasing the resilience of ecosystems and communities to extreme events such as flooding and drought, and integrating climate change risks and opportunities into development decision-making is indeed a key challenge, as much a technical climate-change one, as a political and developmental challenge. The book, in this regard, intends to contribute to the debate around climate change in relation to water resources management in Africa, and in particular inform policy decisions and actions that will improve governments’ and communities’ ability to manage the challenges of climate change and variability in relation to the aquatic ecosystems that they depend on. The knowledge collected in this book will benefit policy makers, researchers, as well as other stakeholders.
"Climatic Change and Water Resources in the Middle East and North Africa" is dedicated to high-priority topics related to the impact of climate change on water resources in a water scarce region. The subject is described and discussed in three main chapters and different case studies. The three main chapters are (1) Climatic changes - sources and effects on the water cycle, (2) Impact of climate change on water resources, (3) Water resources and water management. These chapters are split up into further 26 sections. A total of 64 individuals from many countries have made contributions to this book. All topics in this book are complimentary and contribute to a comprehensive understanding of the interactions between global climate change, world water cycle and water resources. A valuable and meaningful interdisciplinary mixture of topics is combined in this book which will be of great interest to many scientists.
Climate change will impact many sectors of the economy: rural agriculture, biodiversity, hydrology, etc. Farmers are particularly affected since agriculture, livestock, fisheries, horticulture and agroforestry depend on specific soil, rainfall and temperature conditions. Mt. Elgons ecosystem is well known for its agricultural production hence our choice to study how the implementation of environmental policies affect the livelihoods of local communities.
Since the hydrological cycle is so intricately linked to the climate system, any change in climate impacts the water cycle in terms of change in precipitation patterns, melting of snow and ice, increased evaporation, increased atmospheric water vapor and changes in soil moisture and run off. Consequently, climate change could result in floods in so
Abstract: This paper measures the economic impact of climate on crops in Kenya. The analysis is based on cross-sectional climate, hydrological, soil, and household level data for a sample of 816 households, and uses a seasonal Ricardian model. Estimated marginal impacts of climate variables suggest that global warming is harmful for agricultural productivity and that changes in temperature are much more important than changes in precipitation. This result is confirmed by the predicted impact of various climate change scenarios on agriculture. The results further confirm that the temperature component of global warming is much more important than precipitation. The authors analyze farmers' perceptions of climate variations and their adaptation to these, and also constraints on adaptation mechanisms. The results suggest that farmers in Kenya are aware of short-term climate change, that most of them have noticed an increase in temperatures, and that some have taken adaptive measures.
