` ` Synthetic tree '' would capture carbon dioxide in the air to reduce CO₂ . Trapped carbon would be compressed to liquid CO2 ready for sequestration . Sound Off below . It is being researched by scientists at Columbia University in the Netherlands Broecker : ` ` I think this is something that the world 's going to have to have ''
` ` Synthetic tree '' would capture carbon dioxide in the air to reduce CO₂ . Trapped carbon would be compressed to liquid CO2 ready for sequestration . It is being researched by scientists at Columbia University in the Netherlands Broecker : ` ` I think this is something that the world 's going to have to have ''