Location: Haarlem - Kennemerplein
Cleaning up potential: 34,000 kg CO₂
On the Kennemerplein
Behind the station, a kiss and ride strip has been constructed with greenSand olivine-rich semi-pavement.
This weathers and then absorbs CO₂ as it weathers, especially after a rain shower. The more you walk over the stones, the faster the CO₂ clears.
A walking path and exit strip
At the Jacques Meuwissenweg is a beautiful footpath of
The story of Maarten and Jelle
The municipality of Haarlem attaches great importance to sustainability. This enabled the young Haarlem residents Maarten Hulsman and Jelle Brans to realize their dream of having CO₂-clearing paths built in their municipality. Below you can read their inspiring story.
Maarten says that he was looking for ways to remove CO₂ from the air for a profile assignment. When he visited his grandfather, he said that there are also rocks that remove carbon dioxide from the atmosphere. Maarten thought this was an interesting fact and delved into the matter of the weathering of rocks. He came across the publications of Professor Olaf Schuiling, who saw the mineral olivine as the way to solve climate problems.
Maarten really liked it. He persuaded Jelle to jointly publicize the solution to the climate problem. Starting in their own hometown. In November 2019 they pitched their plans in the Haarlem Initiative Café. Here all residents can put forward their ideas for the city. With their pitch and well-executable plans, the two won and earned an amount of 5,000 euros to carry out their plans.
Three paths have now been constructed in Haarlem with olivine-rich rocks of the