natalie casas leads the team here. capture to direct air capture after seeing expensive projects scrapped because of their cost. so we have a 2—stage process. in the first stage, we blow air through. c02 sticks on the material, they are purified air — so air without c02 or with very little c02 — leaves the box. when the filter�*s full, we close the door and start heating. we heat up the collector up to 100 degrees, c02 is released and we take it out. once the filters are cleaned, the carbon capture can start all over again. perhaps one of the best technologies at solving the carbon problem is nature itself. i've come to brynau wood in south wales, one the last patches of a once enormous ancient woodland. today, a reforestation project is under way. many countries have committed to planting more trees to soak up c02 but my guide gwyn says the mix of trees planted is crucial to success. when there is a mixed amount of tree species within a forest, so the more biodiverse we have in terms of what's above the ground, the mo

natalie casas leads the team here.rbon capture to direct air capture after seeing expensive projects scrapped because of their cost. so we have a 2—stage process. in the first stage, we blow air through. c02 sticks on the material, they are purified air — so air without c02 or with very little c02 — leaves the box. when the filter is full, we close the door and start heating. we heat up the collector up to 100 degrees, c02 is released and we take it out. once the filters are cleaned, the carbon capture can start all over again. it's a pleasure for me to introduce you to our testing laboratory. we're the first camera crew allowed into climeworks�* labs, where they have been experimenting with thousands of materials to try to find the most effective at absorbing c02, and at which temperatures. because nobody�*s interested to remove a bit of c02, we are all interested in removing large amounts of c02, millions of tons, so we have to rely on materials that can be produced in the large scale in a very short time. our focus

natalie casas leads the team here.thout co2 or with very little co2 — leaves the box. when the filter�*s full, we close the door and start heating. we heat up the collector up to 100 degrees, co2 is released and we take it out. once the filters are cleaned, the carbon capture can start all over again. perhaps one of the best technologies at solving the carbon problem is nature itself. i've come to brynau wood in south wales, one the last patches of a once enormous ancient woodland. today, a reforestation project is under way. many countries have committed to planting more trees to soak up co2 but my guide gwyn says the mix of trees planted is crucial to success. when there is a mixed amount of tree species within a forest, so the more biodiverse we have in terms of what's above the ground, the more biodiverse is below the ground and the more carbon ends up in the soil, where it's stored for a very, very long time. so does he think nature alone could lead us to carbon neutrality? this is a recent plantation. there's aro

natalie casas leads the team here.2 — leaves the box. when the filter�*s full, we close the door and start heating. we heat up the collector up to 100 degrees, co2 is released and we take it out. once the filters are cleaned, the carbon capture can start all over again. perhaps one of the best technologies at solving the carbon problem is nature itself. i've come to brynau wood in south wales, one the last patches of a once enormous ancient woodland. today, a reforestation project is under way. many countries have committed to planting more trees to soak up co2 but my guide gwyn says the mix of trees planted is crucial to success. when there is a mixed amount of tree species within a forest, so the more biodiverse we have in terms of what's above the ground, the more biodiverse is below the ground and the more carbon ends up in the soil, where it's stored for a very, very long time. so does he think nature alone could lead us to carbon neutrality? this is a recent plantation. there's around about 15—20 different tree a