Posts by: David Obura


Technology in IPAT

This article explores one of the three terms of the IPAT equation (see here) – technology. Population and affluence will be the subject of further articles. The original article was published on 20 March 2019 on the Millennium Alliance for Humanity and the Biosphere (MAHB) blog here. Please go to […]


Connectivity of areas beyond national jurisdiction with coastal waters

This new publication in Marine Policy journal shows the importance of areas in the High Seas for coastal fisheries and ecosystem health in developing countries.   Title – Ecological connectivity between the areas beyond national jurisdiction and T coastal waters: Safeguarding interests of coastal communities in developing countries   Led […]


Global footprint and sustainability

The “three horses of sustainability” – the IPAT equation provides a simple but powerful model for understanding the roles of population, affluence and technology, particularly from the challenge posed by the Anthropocene – how to reduce one’s personal or societal impact.


Indian Ocean blue economy

The Indian Ocean is gaining more attention as the world turns to the ‘blue economy’ for future development. This Economist Intelligence Unit report “Charting the course for ocean sustainability in the Indian Ocean Rim” is an  sponsored by Environment Agency Abu Dhabi and the Department of Economic Development Abu Dhabi, […]


Red List assessment of Scleractinian corals 2018-2020

The challenge The first complete assessment of reef-building corals was completed in 2008 (Carpenter et al. 2008) from which the Red List Index of corals shows the most significant decline of all taxonomic groups assessed (fig. below), due to the impact of the 1998 global coral bleaching event. Cost/investment We estimate […]


Recurring bleaching in Mayotte

Major coral bleaching has been reported in Mayotte four times – in 1983, 1998, 2010 and 2016. During the 2010 event a survey carried out by the Tara Expeditions documented the bleaching in detail, estimating the full impact of the bleaching event.


Launch of the WIO scenarios

  On 9 July 2018 the scenarios for the future of the Western Indian Ocean/East and Southern Africa were launched at the Science-Policy forum of the Nairobi Convention in Durban, South Africa.  


A risk manager’s approach to coral reefs

Will a financial portfolio approach help to minimize losses to the world’s coral reefs, and those that depend on, them due to climate change? This is the objective of the research and conservation teams in the 50 reefs project and supported by Bloomberg Philanthropies, the Paul G. Allen Foundation and The […]