Understanding the criteria for high-quality carbon projects
October 17, 2023
Callirius ensures the integrity and quality of its carbon projects through strict adherence to the multi-level Callirius Quality Framework (CQF).
News and insights
from our team
Low-quality comes at a high price
October 13, 2023
Not all carbon projects are created equal. To make a difference, prioritize “high-quality” carbon projects.
Swiss firm seeks to raise $100m for biochar, other CDRs
September 13, 2023
“Swiss-German firm Callirius is looking to raise $100 million for pooled investments into biochar and nature based carbon removal projects”
Everyone’s precious kingdom: how Callirius is seeking to scale effective climate impact (Explorer.land)
September 6, 2023
Callirius meant “king of the woods” in Roman Britain. Today, for Callirius, impact and transparency are king.
(German) “A quality-based approach for nature-based climate mitigation: Callirius”
August 11, 2023
Risk mitigation means excluding projects that overestimate their benefits. Making overly positive claims is a practice that comes costly.
Restoring natural ecosystems: A vital tool for halting global temperature rise
July 21, 2023
Beyond reducing greenhouse gas emissions, restoring natural ecosystems is critical for climate mitigation and preventing temperature rise
(German) Ex-MainFirst CEO wants to enter asset management with his own company
July 17, 2023
“The former head of the Frankfurt-based investment bank MainFirst Bank AG, which was taken over by Stifel Financial Corp, plans to enter asset management with a company he co-founded. Ebrahim Attarzadeh has his sights set on climate mitigation.”
(German) Ex-Mainfirst CEO wants to establish nature as an asset class
July 17, 2023
Ebrahim Attarzadeh, the former CEO of Mainfirst, is planning to enter asset management with Callirius. The fund is to invest in nature-based climate protection projects and establish nature as an asset class.
(German) Former Mainfirst boss moves forward as founder – Börsen-Zeitung
July 7, 2023
Ebrahim Attarzadeh and other bankers have set themselves ambitious goals with the start-up Callirius. Now they have succeeded in convincing a first major customer and private investors
The VCMI claims code of practice
July 4, 2023
“The VCMI Claims Code has been developed to give buyers of carbon credits confidence and clarity in their use and associated claims” – VCMI