Fossil fuels supply about 85 % of the world’s primary energy, and future use would not appear limited by availability of reserves, especially of coal. Rather, future use of fossil fuels will likely be limited by controls on the emission of carbon dioxide into the atmosphere that are agreed to by the nations of the world. The increase in atmospheric CO2 over the past 200 years, mainly from fossil fuel combustion, is confidently thought to have increased global temperatures and induced other changes in Earth’s climate, with the prospect of much more severe consequences from projected future emissions. Limiting such changes in Earth’s climate would place major constraints on the combustion of fossil fuels and/or the emission of CO2 into the atmosphere. Developing effective and cost-effective strategies for limiting CO2 emissions requires the confident ability to project the changes in climate that would result from a given increase in atmospheric CO2. However, even the change in global mean surface temperature (GMST), the single most important index of climate change, that would result from a given increase in atmospheric CO2 remains uncertain to a factor of 2 or more, largely because of uncertainty in Earth’s climate sensitivity, the change in GMST per change in radiative flux. This uncertainty in climate sensitivity, which gives rise to a comparable uncertainty in the shared global resource of the amount of fossil fuel that can be burned consonant with a given increase in global mean surface temperature, greatly limits the

Comment: It’s cooling and temperatures are below the levels of the 1930s! CO2 is not causing warming! Collecting data on "greenhouse " emissions is a total waste of tax payer money! CO2 is required for life to exist on this planet and the more we have the better is for all plant life. Comment: We don't need to be wasting taxpayer money on collecting data on green house gases! This is a surface temperature measurement for Yemassee, SC and as you can see, temperatures have declined since the 1930s; 1934 is officially the hottest year on record in the US. You should be aware of the "urban heating effect " which causes surface temperatures in urban areas to be warmer due to the effects of human activities. The temperatures in downtown large cities are as much as 8 degrees warmer than the surrounding rural areas! There is absolutely no reason to regulate CO2! Comment: The attachment shows how the temperature data shows a warming bias due to the urban heat effect. The first graph shows the temperature much closer to what it really has been, with the hottest years in the 30s. [See Appendix A for additional details.]

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Board provides oversight for, and establishes the policies of, NSF within the framework of applicable national policies set forth by the President and the Congress. In this capacity, the Board identifies issues that are critical to NSF’s future, approves NSF’s strategic budget directions, approves annual budget submissions to the Office of Management and Budget, approves new programs and major awards, analyzes NSF’s budget to ensure progress and consistency along the strategic direction set for NSF, and ensures balance between initiatives and core programs. The Board also serves as an independent policy advisory body to the President

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