Blog

The impact of rot fungus in 2024

In 2024, we collected slightly less coffee grounds than in previous years. We paid less attention to finding more partners to collect coffee grounds, as we are not yet able to utilize the high-qua...

the impact of rot fungus in 2023

During 2023 we were able to collect a record amount of coffee grounds. Unfortunately, we can only use a relatively small portion of the coffee grounds from our mushroom cultivation. Some of it i...

The impact of rot fungus in 2022

In 2022, we're seeing a significant increase in the amount of coffee grounds again. Our business clients are increasingly back in the office. Fortunately, we've been able to use more and more cof...

CO2 certificates for sale

Rotterzwam has been making a significant environmental impact since 2013. Since 2017, we've been working to quantify and map this impact. In 2020, our primary business activities generated 9,409 ki...

The impact of rot fungus in 2020

It's a year we'll quickly leave behind. But not before we take stock of the impact we've made in the past year. While that impact was considerably less than the year before, we still managed to sa...

The impact of Rotterzwam in 2019

The topic of " Reverse Burden of Proof for Companies " was recently in the news. A referendum is being prepared in Switzerland that will shift the burden of proof for violations of rights and regul...

The impact of Rotterzwam in 2018

Sustainability One of the most frequently used bingo words in the circular entrepreneurship category in recent years. It's used all the time. I recently saw it on a jar of sambal: "Now with sustai...

The impact of Rotterzwam in 2017

As social entrepreneurs, we believe it's important to make an impact. That impact must therefore be shared with the outside world. As far as we can tell, we're the first mushroom grower in the wor...