Dr. Katima has been involved in chemicals management processes since the negotiations of the Stockholm Convention up to Minamata Convention and served as a Member of the GEF Technical Advisory Group on Sound Chemicals Management that prepared a proposal for the GEF Council on the inclusion of chemicals management as a GEF focal area.
Dr. Katima has led research groups, including on waste stabilization ponds and constructed wetlands, biofuels, and non-burn medical waste treatment technology. He has also worked on climate change, including as a Lead Author of Chapter 4 of the Third Assessment Report of the International Panel on Climate Change (IPCC) and as a member of the IPCC Task Force Bureau on Inventory representing Anglophone Africa. He was one of the IPCC experts that contributed to the assessment report that led to the 2007 Nobel Peace Prize co-awarded to the IPCC and Vice-President Al Gore. Dr. Katima has also participated in the preparation of the Guidance on Best Available Techniques (BAT) / Best Environmental Practices (BEP) for Mercury Emissions.
Dr. Katima also served the Vice-President of the Intergovernmental Forum on Chemical Safety (IFCS); co-chair of the International POPs Elimination Network (IPEN); Africa Regional Focal Point for the Strategic Approach for International Chemicals Management (SAICM), and co-chair of SAICM’s Working Group responsible for the preparation of the Global Plan of Action.
Dr. Katima chaired the Steering Committee that prepared the Tanzanian National Profile and he is a Board Member and Treasurer of the South African Climate Action Network (SARCAN). He is also a member of the Health Care Without Harm.
Dr. Katima has been involved in the implementation of a number of chemicals and waste projects, including:
- Demonstrating and promoting best techniques and practices for reducing health care waste to avoid environmental releases of dioxins and mercury (GEF funded)
- Enabling activities to review and update the national implementation plan for the Stockholm Convention on Persistent Organic Pollutants in the United Republic of Tanzania (GEF funded)
- Study on impact of mercury use by artisanal gold miners in Tanzania: training of trainers on alternatives of mercury
- Best Available Techniques and Best Environmental Practices in artisanal and small-scale mining in Tanzania
- Reducing mercury emissions from small scale gold refining facilities through application of fume hood water condenser system
- Development of environmentally-friendly coal based hydrophobic material as a replacement of mercury in small scale gold mining in Tanzania
- Law reform and capacity building for sound chemicals management in Uganda, Tanzania and Kenya
- Capacity assessment for the sound management of chemicals and national SAICM implementation (funded by the Swiss government).
He is a native Kiswahili speaker.