CPI, eventually, the CPI must look to alternative and renewable feedstocks and energy sources. These may include landfill gas, wind, and solar energy. Renewable sources are a vital component of any effort to be less dependent on conventional feedstocks and fuels, to reduce manufacturing costs, and to decrease the impact of the CPI on the environment.

Technological breakthroughs in CO2 separation, sequestration, and use. It is anticipated that the CPI will continue to use fossil fuels for energy for many decades into the foreseeable future. This is mainly due to abundant supplies of coal and the significant capital investment that would be required to convert from fossil fuels to renewable sources. At the same time, there is general agreement among the scientific community that there is a link between atmospheric CO2 concentrations and global temperature increases. As atmospheric CO2 concentration increases, it is projected that the associated global climate change will reach a critical stage well before fossil fuel reserves run out. Thus, developing technology and strategies for effective carbon management is a key to sustainability of not just the CPI, but life on earth in general.

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