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Abstract Wood use for residential space heating has become an important topic of study in the US Pacific northwest. This article presents wood use profiles, estimates on the amount of electricity (kWh) wood use displaces and reasons that house-holds use wood. The data indicate that many households can easily switch between wood and electricity for space heating. One conclusion is that utilities in this region should be cognizant of large possible swings in electricity demand resulting from changes in electricity prices and availability of wood. In general, wood use has the potential to complicate regional energy planning efforts to fashion cost-effective residential conservation programmes.

Abstract Wood use for residential space heating has become an important topic of study in the US Pacific northwest. This article presents wood use profiles, estimates on the amount of electricity (kWh) wood use displaces and reasons that house-holds use wood. The data indicate that many households can easily switch between wood and electricity for space heating. One conclusion is that utilities in this region should be cognizant of large possible swings in electricity demand resulting from changes in electricity prices and availability of wood. In general, wood use has the potential to complicate regional energy planning efforts to fashion cost-effective residential conservation programmes.

The global warming debate has neglected and thus underestimated the importance of technical change in considering reduction in greenhouse gases and adaptation to climate change. Relevant quantitative cases of long-run technical change during the past 100 years are presented in computing, communications, transport, energy, and agriculture. A noteworthy technological trajectory is that of decarbonization, or decreasing carbon intensity of primary energy. If human societies have not yet reached the end of the history of technology, the cost structure for mitigation and adaptation changes could be cheap.

The global warming debate has neglected and thus underestimated the importance of technical change in considering reduction in greenhouse gases and adaptation to climate change. Relevant quantitative cases of long-run technical change during the past 100 years are presented in computing, communications, transport, energy, and agriculture. A noteworthy technological trajectory is that of decarbonization, or decreasing carbon intensity of primary energy. If human societies have not yet reached the end of the history of technology, the cost structure for mitigation and adaptation changes could be cheap.

Abstract Among natural gas producing nations, there has been some concern about how the Asia Pacific will meet future demand for energy. We argue that natural gas, both regional and global, will play a vital role. Estimates of potential gas consumption in the region are analyzed and used to develop consensus projections to 2030. These consumption profiles are compared with gas supply estimates including indigenous, pipeline and LNG for the Asia Pacific market. From this analytical framework, we find that demand will be sufficiently large to accommodate supplies from diverse sources including North America, the Middle East, Central Asia, Russia, and the Asia Pacific itself. An important policy implication is that gas producing and consuming nations should benefit from promoting gas trade and not be concerned about a situation of potential lack of demand coupled with oversupply.

Abstract Among natural gas producing nations, there has been some concern about how the Asia Pacific will meet future demand for energy. We argue that natural gas, both regional and global, will play a vital role. Estimates of potential gas consumption in the region are analyzed and used to develop consensus projections to 2030. These consumption profiles are compared with gas supply estimates including indigenous, pipeline and LNG for the Asia Pacific market. From this analytical framework, we find that demand will be sufficiently large to accommodate supplies from diverse sources including North America, the Middle East, Central Asia, Russia, and the Asia Pacific itself. An important policy implication is that gas producing and consuming nations should benefit from promoting gas trade and not be concerned about a situation of potential lack of demand coupled with oversupply.

Abstract The United States (US) Environmental Protection Agency's (EPA) Greenhouse Gas (GHG) Mandatory Reporting Program (GHGRP) is designed to collect accurate and timely facility-level emissions data that might be used by policy makers to support sound climate policy decisions in the future. After reviewing the US Inventory and the expected improvements under GHGRP, we find that the benefits of GHGRP are minimal and quite possibly zero while the cost of implementation is relatively high, that the stated goal of reducing emissions uncertainty is not met by the program in its current form, and that the additional emissions data to be collected is likely not needed given the ongoing non-committal environment of US GHG regulation. Our review also highlights the need for EPA to make its US Inventory GHG models accessible to the public, which would enable a more thorough review of its assumptions and methods by the broader scientific community.

Abstract The United States (US) Environmental Protection Agency's (EPA) Greenhouse Gas (GHG) Mandatory Reporting Program (GHGRP) is designed to collect accurate and timely facility-level emissions data that might be used by policy makers to support sound climate policy decisions in the future. After reviewing the US Inventory and the expected improvements under GHGRP, we find that the benefits of GHGRP are minimal and quite possibly zero while the cost of implementation is relatively high, that the stated goal of reducing emissions uncertainty is not met by the program in its current form, and that the additional emissions data to be collected is likely not needed given the ongoing non-committal environment of US GHG regulation. Our review also highlights the need for EPA to make its US Inventory GHG models accessible to the public, which would enable a more thorough review of its assumptions and methods by the broader scientific community.

How to set policy in the presence of uncertainty has been central in debates over climate policy. Concern about costs has motivated the proposal for a cap-and-trade program for carbon dioxide, with a "safety valve" that would mitigate against spikes in the cost of emission reductions by introducing additional emission allowances into the market when marginal costs rise above the specified allowance price level. We find two significant problems, both stemming from the asymmetry of an instrument that mitigates only against a price increase. One is that most important examples of price volatility in cap-and-trade programs have occurred not when prices spiked, but instead when allowance prices collapsed. Second, a single-sided safety valve may have unintended consequences for investment. We illustrate that a symmetric safety valve provides environmental and welfare improvements relative to the conventional one-sided approach.