Line 0.0.0 INDUSTRIES

Line 0.0.1 WARM

Line 0.0.2 THE WORLD

Line 0.0.3 WASHINGTON, Tuesday.—

Line 0.0.4 Carbon dioxide from man's in-

Line 0.0.5 creased industrial activity was

Line 0.0.6 having a "greenhouse" effect

Line 0.0.7 in the upper atmosphere, tend-

Line 0.0.8 ing to make the world's cli-

Line 0.0.9 mate warmer, a physicist re-

Line 0.0.10 ported yesterday.

Line 0.0.11 Dr. Gilbert Plass told the

Line 0.0.12 annual meeting of the Ameri-

Line 0.0.13 can Geophysical Union that

Line 0.0.14 the large increase in industrial

Line 0.0.15 activity during the present

Line 0.0.16 century was discharging so

Line 0.0.17 much carbon dioxide into the

Line 0.0.18 atmosphere that the average

Line 0.0.19 temperature was rising at the

Line 0.0.20 rate of l½deg. each century.

Line 0.0.21 He said that about 2,000,000,

Line 0.0.22 000 tons of coal and oil were

Line 0.0.23 burnt each year, adding 6,000,

Line 0.0.24 000,000 tons of carbon dioxide

Line 0.0.25 to the atmosphere.

Line 0.0.26 "The carbon dioxide in the air

Line 0.0.27 acts in the same manner as the

Line 0.0.28 glass in a greenhouse," Dr.

Line 0.0.29 Plass said.

Line 0.0.30 "The carbon dioxide blanket

Line 0.0.31 keeps the ground at an appre-

Line 0.0.32 ciably higher temperature than

Line 0.0.33 it would have if no carbon