Climate engineering is a risky gamble to fix planet’s problems

Reducing carbon emissions is the only solution we know will work, while there are already safer and proven ways to pull CO2 from the atmosphere, writes Barbara Unmüßig.

As the world struggles to rein in emissions of climate-changing gases and limit planetary warming, a new technological silver bullet is gaining supporters.

Geoengineering — the large-scale manipulation of the Earth’s natural systems — has been popularised as a means of counteracting the negative