We're four weeks into our exploration of how to remove carbon from the atmosphere and put it to use on earth and we've hit 350,000 page views! Here are the 10 most popular stories so far.

Planting trees "doesn't make any sense" in the fight against climate change say experts
A string of carbon experts have pointed out that afforestation is an unreliable way of removing atmospheric CO2 since it's hard to guarantee the forests will remain intact long enough to provide long-term sequestration.
With over 90,000 page views and 80 comments, this has been by far the most popular and controversial story of the series.
Find out more about experts views on afforestation ?

"We're  CO2 out of the system" says carbon-capturing concrete maker Carbicrete Our interview with Carbicrete CEO Chris Stern explains how cement, which is responsible for eight per cent of greenhouse gas emissions, can be turned into a carbon store rather than a carbon emitter.
Find out more about Dezeen's interview with Chris Stern ?

Ten materials that store carbon and help reduce greenhouse gas emissions
Our roundup of carbon-storing materials includes bioplastic, 3D-printed wood, mycelium, olivine and even food and vodka.
Find out more about our carbon roundup ?

Atmospheric CO2 is "our biggest resource" says carbon-negative plastic brand Made of Air
This Dutch startup has invented a way of turning farm and forest waste into carbon-storing bioplastic, which can be used to mak...