Sentences with phrase «cycle analyses require»

But life cycle analyses require teams of researchers who plot and compile data from every aspect of production, transportation and disposal.

Not exact matches

In the analysis, a long history of data over a number of different economic and market cycles is usually required to identify the key factors and leading indicators that can predict relative performance.

A stern lesson from history Wyatt / Curry stadium waves require confirmation from analysis and computation; otherwise they risk being regarded as one more statistics - driven model, of which the climate literature already contains innumerably many... this large corpus of cycle - seeking pure - statistics climate models is (rightly) ignored by most scientists, due to the dismal track record of cycle - seeking science in regard to explanatory and predictive power.

If the U.S. were instead to use that natural gas to generate electricity as part of a portfolio with renewable sources of electricity, the analysis shows that «if the entire vehicle fleet were converted to electric vehicles and high efficiency natural gas combined - cycle power plants were used to generate all the additional electricity required, the increase in natural gas demand would be significantly less» than if the entire fleet was burning natural gas in its combustion engines — roughly a decrease in natural gas usage of 19 billion cubic feet per day.

wikipedia on Milankovich cycles Trying to tare out carbon dioxide from this requires doing that historical analysis, which has a 4 billion year timescale attached to it.

There is a whole field of life - cycle analysis (LCA) wherein people study the total emissions required both to make a power plant and to operate it.