This is the 587th most frequent Finnish word.
lisääntynyt
"Increased" or "augmented."
Here, "lisääntynyt" indicates a positive change in the level of awareness regarding environmental matters.
Ihmisten tietoisuus ympäristöasioista on lisääntynyt.
People's awareness of environmental issues has increased.
In this sentence, 'lisääntynyt' signifies the growth or accumulation of responsibility over a period of time.
Hänen vastuu työpaikalla on lisääntynyt viime aikoina.
His responsibility in the workplace has increased recently.
Here, 'lisääntyneet' refers to the numerical growth or reproduction of animal populations in a specific season.