Analyzing the numerical figures in Text 1,
".745 miles." (line 4) - refers to the total extension of the California coast.
". more than 37,000 megawatts." (lines 5-6) - refers to the power already generated by California waves.
".2020." (line 26) - refers to year when wave energy alone will supply most of California's energy needs.
".more than $7 million," (lines 31-32) - refers to the final cost of global studies on wave power.
".1970s." (line 35) - refers to the decade when the use of wind energy reached its peak.