This must be done by those who believe in what is written in the Holy Scripture. The Book of the Prophet Ezekiel is a sacred book for Jews and Christians. Therefore, the responsibility to fulfill this prophecy lies with us.
I have been involved in the Third Temple project for over ten years, but my capabilities are limited, I live in Galut, I do not have the right to repatriate to Israel, I have no documents, I do not have freedom of movement. Therefore, for now I do not know how God will move this matter from dead center. There must be an Awakening so that we can all find each other and get out of many years of isolation.
And if they be ashamed of all that they have done, shew them the form of the house, and the fashion thereof, and the goings out thereof, and the comings in thereof, and all the forms thereof, and all the ordinances thereof, and all the forms thereof, and all the laws thereof: and write it in their sight, that they may keep the whole form thereof, and all the ordinances thereof, and do them. (Ezekiel 43:11)
And if they be ashamed of all that they have done - Now Israel will be in a difficult situation, surrounded by enemies and without the support of most countries in the UN. Scripture says that in this situation the leaders of Israel will make a choice for "the inhabitants of Jerusalem", meaning the Heavenly Jerusalem. This Heavenly Jerusalem is seen in us when we rejoice in seeing God's word come true in this world. This new Jerusalem must correspond to the 7th seal. When the leaders of Israel SEE those they can rely on, then they will be able to accept this idea: to build a Temple for the gathering of the elect from the four winds.
And the governors of Judah shall say in their heart, The inhabitants of Jerusalem shall be my strength in the Lord of hosts their God. (Zechariah 12:5)