The phrase "actively championed" is correct and usable in written English.
You can use it to describe someone who is vigorously supporting or advocating for a cause, idea, or initiative.
Example: "She has actively championed environmental sustainability in her community for many years."
Alternatives: "strongly advocated" or "vigorously supported".
New Labour actively championed the City, worshipping the bankers and marketing London as a financial centre where the regulation would be light touch.
"Until Davis can acknowledge and explain why he actively championed the family's interests and shed more light on the nature of his involvement, I am not prepared to release him," the governor said.
Lisa has experience in delivering business-critical insights to clients on a broad range of commercial issues, from market, competitor and consumer perspectives, and has also actively championed sustainable business practices in the workplace.
Skewed by the appointment of its newest Justices in 2005, the institution has betrayed its institutional limits and actively championed controversial conservative political interests.
Recently, however, McCain has walked his advocacy back, declining to cosponsor the very legislation closing the gun show loophole that he once actively championed.
Current director Maria Balshaw, as well as the director of Tate Modern, Frances Morris, have both long actively championed the work of female artists, works by whom still sell for less than those of their male contemporaries.
"Since we are the most vulnerable as a continent, it is imperative that we actively champion our interests within the framework of the UN's climate change negotiations".
He was the last minister in any government actively championing Heathrow expansion; then he flip-flopped for the sake of the mayoral campaign.
Highly commending the company's approach, they said: "We were impressed with the scale of Coca-Cola's ambitions and how it actively champions water stewardship.
It is by no mean only the Conservatives who are actively championing the policy: the Labour council in Lambeth, for example, has identified six estates for regeneration, with decisions made to demolish or part demolish three of them.
It has reached out to over 10,000 businesses in Camden to actively champion the benefits of flexible working and helped more than 500 women to access advice on building careers to fit with family life.
