when the clothes are produced, we need them to get to us, a transport which sends out tons of co2 and pollutes the environment even more.

How would the previous sentence be correctly capitalized?
Answer: When the clothes are produced, we need them to get to us, a transport which sends out tons of CO2 and pollutes the environment even more.
the theory of the "long waves" was a godsend in this connection, since it could not be foreseen whether an end or a beginning of one of these waves had been reached.

How would the previous sentence be correctly capitalized?
Answer: The theory of the "long waves" was a godsend in this connection, since it could not be foreseen whether an end or a beginning of one of these waves had been reached.
clash of the star fighter games , weapon games , upgrade games , speed games , battle games , laser games , ship games ,

How would the previous sentence be correctly capitalized?
Answer: Clash of the Star Fighter games , weapon games , upgrade games , speed games , battle games , laser games , ship games ,
on the other hand a subchronic test with phenoxyethanol showed reduced body weight in rats in a 90-day study (33).

How would the previous sentence be correctly capitalized?
Answer: On the other hand a subchronic test with phenoxyethanol showed reduced body weight in rats in a 90-day study (33).