"address it by" is a perfectly correct and usable phrase in written English.
You can use it when you want to introduce the way that you plan to approach a particular issue or topic. For example: "We need to address it by developing better strategies for collecting and analyzing data."
Often, we address it by rules which offer a "helping hand", and everybody wins.
Once I'd diagnosed my homesickness, I was able to address it by writing letters.
Williams has a problem with curators and has decided to address it by cutting up a curator cake.
A1 The Bush campaign reversed a decision to bypass the Christian Coalition's conference, saying he would address it by videotape today.
But we are not going to address it by gut-renovating our welfare state to fit a libertarian ideal, or by dramatically expanding the same state in pursuit of an unattainable social democratic dream.
This had been a criticism of the original order, and the Administration had tried to address it by pointing to conditions in the six countries (Iran, Somalia, Yemen, Libya, Sudan, and Syria), such as terrorist attacks and uncoöperative governments.
Finally, he took the head of each dog in his hands, looked into its eyes, addressed it by name and traced a cross on its muzzle with his thumb.
This paper describes the problem stated above and addresses it by decomposing the exergy and studying its components independently.
He addressed it by proposing deep cuts in aid to local governments, infuriating municipal and county leaders.
And when confronted with the crisis, a State Department official, heard over the radio, backs away from addressing it by quibbling over the use of the word genocide.
"I will be addressing it by doing what Radio 3 does best – offering complex culture, arts and ideas within the reach of lots of people.
