Before everyone gets excited this still has a looong way to go! However it is innovative and may open up possibilities for the future https://www.abc.net.au/news/2024-04-18/qld-uq-researchers-develop-carbon-capture-device/103736758 Having said that there is nothing wrong with planting more trees
In fact it is a good idea and important. Our oxygen comes from plants and water. The oxygen in water isn't useful until it is released.