Higher CO2 levels increase yields, I'm a farmer I should know.

Large-Scale Greenhouses Attached to Power Plants for the Productive Use of Waste Heat and CO2 emissions
In the United States, there are approximately 800 large power plants that burn natural gas or coal. Power plants are usually situated
away from population centers because of cost of land, pollution, noise and aesthetic. The area surrounding a large power plant often
consists of substantial buffer land to separate the plant from housing developments. Power plants typically need to be located near
water sources to facilitate plant cooling requirements. Currently, there are not enough industrial customers that can use the low-
temperature waste heat from most power plants. The efficiency of power plants in converting thermal energy to electricity is less than
50%. Therefore, for each 1MW of power output another 1MW of thermal power is wasted to the environment. This represents waste
on a grand scale.
We believe that the large quantities of low-temperature waste heat from power plants can be used in large-scale greenhouses that
are integrated with the cooling systems of power plants. Furthermore, we propose to use the emissions from large power plants as a
source of CO2 for large-scale commercial greenhouses, boosting productivity and quality of high-value crops such as vegetables and
flowers. The specific aim of this plan is to develop a prototype pilot for interfacing a power plant and a greenhouse. The pilot project
will be used to demonstrate the potential of this concept, as well as allowing novel investigations into fundamental engineering
processes relevant to clean energy technologies, environmental science and plant metabolism. The pilot program will use the waste
heat and emissions from a natural gas combined cycle power plant. Calpine Corporation, a power company that operates
nationwide 89 power plants is a strategic partner for this venture. Calpine is providing now in-kind engineering support.
Large-scale greenhouses operating in the vicinity of power plants will substantially increase revenues of power companies through
sale of waste heat and emission gases and increase the commercial value of land surrounding the power plants that is now unused.
Greenhouses will be leased, rented or sold to growers. The agricultural output from the greenhouses is expected to replace a
substantial portion of the currently imported high-value greenhouse vegetable crops.

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