The phrase "address it immediately" is correct and usable in written English.
You can use it when instructing someone to deal with a matter or issue without delay.
Example: "Please address it immediately to ensure we stay on schedule."
Alternatives: "tackle it right away" or "handle it at once."
We will address it and address it immediately.
According to Wen Yunchao, a prominent blogger, "the authorities had felt the internet was out of control and they needed to address it immediately.
"If it did take place, it is a war crime and as such it would require everyone … to address it immediately," he said.
For the sake of expediency, Garagiola said, umpires must know where the head groundskeeper is at all times, "so that if something needs to be addressed, a pad has come loose, something is flapping around, we can address it immediately".
"Once you have identified a problem," he says, "address it immediately with [your] supervisor, a colleague, or an intermediary".
Nest chief executive Tony Fadell wrote: "We identified this problem ourselves and are not aware of any customers who have experienced this, but the fact that it could even potentially happen is extremely important to me and I want to address it immediately.
Coach Larry Robinson, the winner of the Conn Smythe trophy in 1978, when he won one of his six Stanley Cups with the Montreal Canadiens, was aware of that criticsm and addressed it immediately after he replaced Robbie Ftorek as coach with eight games left in the regular season and the team in disarray.
They addressed it immediately.
This has nothing to do with the content of anyone's views -- most everyone agrees climate change is a big problem and we need to get started addressing it immediately.
"Our approach is that folks will take climate change more seriously if they also see what can be done — practically, personally and immediately — to address it," he said.
No. But, what you immediately should do is address it.
