The climate crisis is the biggest challenge humanity has ever faced, with time to avoid a 1.5°C global temperature rise rapidly running out.
Some experts think the planet has already passed the threshold, and that now we need to work towards capturing the carbon already present in the atmosphere, instead of just reducing our current emissions.
While the bulk of work needs to be done by the most polluting countries and corporations, innovators and scientists are still working hard to find ingenious ways to combat climate change by capturing carbon.
We've looked into five clever ways to undo the effects of climate change, from seaweed farms and mushrooms that eat plastic, to installing millions of arctic water cannons.