A Comparison of Life Cycle Impact of Mass Timber and Concrete in Building Construction

Table 1.

Number of years to depletion at varied mining rates forlimestone reserve in Country X.

Limestone mining rate (metric tons per year)	Number of years to depletion
250000	60000
500000	30000
1000000	15000
5000000	3000
15000000	1000
150000000	100
1500000000	10
15000000000	1