The Technical Centre for Agricultural and Rural Cooperation (CTA) shut down its activities in December 2020 at the end of its mandate. The administrative closure of the Centre was completed in November 2021.

Olivia Frost

Writer, editor and designer, WRENmedia


As a science writer in the field of agricultural and rural development, Olivia Frost produces attractive, accessible and accurate written work in a wide variety of formats. This includes presenting research and scientific topics to a non-specialist audience, using descriptive, engaging, jargon-free language. She also enjoys developing products that use visual elements to communicate science and research to grab the attention of readers to increase the visibility of our client's work.



Climate change is a global crisis; millions of people are already suffering and the impacts are getting worse. Policies to mitigate and adapt to climate change are increasing but many argue that the window for action is closing and decision-makers need to do more, with greater urgency.

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Irrigation systems channelling waste water to agricultural fields are providing year-round harvests during the dry season and periods of drought in Cameroon. In Ghana, a new treatment plant is the first commercial scale project in West Africa to produce high quality, safe fertiliser from treated human waste.