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"Kenneth Chomitz was the evaluation manager and main author for this study"--P. xiii.
Summarizes the science of climate change and impacts on the United States, for the public and policymakers.
This study from the Independent Evaluation Group draws lessons for development and climate change mitigation from the World Bank Group's far-reaching portfolio of projects in energy, forestry, transport, coal power, and technology transfer. Reviewing what has worked, what hasn't, and why, the evaluation's key findings include: Energy efficiency can offer countries direct economic returns that dwarf those of most other development projects, while also reducing greenhouse gas emissions. Tropical forest protected areas, on average, significantly reduce tropical deforestation, preserving carbon and biodiversity. Deforestation rates are lower in areas that allowed sustainable use by local populations than in strictly protected areas. Deforestation rates were lowest of all in indigenous forest areas. For renewable energy projects, long-duration loans have been important in making projects financially viable.. But at prevailing carbon prices, carbon offset sales had little impact on most renewable energy projects rate of returns, and did not address investors need for up-front capital. Technology transfer broadly understood to include diffusion of technical and financial innovations related to low-carbon development has worked well when the logic of piloting and demonstration is well thought out, and when grants are used to mitigate the risk of pioneering efforts.
The warming of the Earth has been the subject of intense debate and concern for many scientists, policy-makers, and citizens for at least the past decade. Climate Change Science: An Analysis of Some Key Questions, a new report by a committee of the National Research Council, characterizes the global warming trend over the last 100 years, and examines what may be in store for the 21st century and the extent to which warming may be attributable to human activity.
The U.S. Climate Change Science Program (CCSP) coordinates the efforts of 13 federal agencies to understand why climate is changing, to improve predictions about how it will change in the future, and to use that information to assess impacts on human systems and ecosystems and to better support decision making. Evaluating Progress of the U.S. Climate Change Science Program is the first review of the CCSP's progress since the program was established in 2002. It lays out a method for evaluating the CCSP, and uses that method to assess the strengths and weaknesses of the entire program and to identify areas where progress has not met expectations. The committee found that the program has made good progress in documenting and understanding temperature trends and related environmental changes on a global scale, as well as in understanding the influence of human activities on these observed changes. The ability to predict future climate changes also has improved, but efforts to understand the impacts of such changes on society and analyze mitigation and adaptation strategies are still relatively immature. The program also has not met expectations in supporting decision making, studying regional impacts, and communicating with a wider group of stakeholders.