The persistent interventions of Thanal in the sectors related to environment and development have created long lasting positive impact in the society, I should say. May it in the sector of agriculture, pesticides and health, chemical toxicity and waste management, it is very evident.  - 

Mr. Harish Vasudevan
Environmental Activist, Lawyer

It was historical that an organization like Thanal who could position a local environmental movement against endosulfan – a chemical pesticide at the global level and persistently fought for getting the deserved support for the state of Kerala which was otherwise impossible under Indian federal sytm  - 

Prof. M A Rahman .
Writer & Activist

With the people and for the people, without looking at personal benefit, that is Thanal.  - 

V. S. Vijayan .
Former Chariman, Kerala State Biodiversity Board

Despite of changes in governments Plantation Corporation continued spraying of endosulfan for decades, Thanal came with the right kind of support – technical and legal - that helped us to get this chemical banned in India.  - 

Mrs. M K Leela Kumari Amma
Agriculture Assistant(Rtd.) & Petitioner against Endosulfan