this century
Refers to the current century, often used in historical or futuristic contexts.
今世紀中に温暖化がさらに進むと言われている。
It is said that global warming will advance further within this century.
今世紀最大の発見と言っても過言ではない。
It is no exaggeration to call it the greatest discovery of this century.
It is said to be the greatest discovery of this century.
Humanity will probably reach Mars within this century.
Since the start of this century, concern about environmental issues has rapidly increased.