(CNN) In the battle against climate change, efforts to reduce emissions of harmful gases like carbon dioxide have consumed most of the headlines. "There's no way around reducing emissions," said Stefan Schaefer, climate engineering program leader at the Institute for Advanced Sustainability Studies in Potsdam, Germany. Mobile: Since the technology targets CO2 in the atmosphere, DAC facilities can be set up anywhere on Earth. It may seem outdated, but tree planting is a vital tool in the battle against climate change and one of the simplest possible solutions. High costs: The costs of getting the particles into the stratosphere could be huge and ongoing.

Source: CNN November 29, 2017 18:11 UTC