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hearing loss (NIHL), with 28 reported cases. This compares with 13 cases in 2009 and 18 in 2008, and represents 52% of total illness cases reported in 2010. Some 18 cases (33% of total) were lung ailments, such as asbestosis, mesothelioma and pneumoconiosis, but excluding tuberculosis (TB). Seven TB cases (12%) are, by and large, not work-related, but are reportable to authorities in the case of mineworkers. 

## Responding to the climate change challenge 

By its nature, the coal gasifi cation process on which Sasol’s success has been built is a significant contributor of greenhouse gases. We recognise that without achieving substantial reductions in greenhouse emissions, our coal-to-liquids (CTL) technology is unlikely to be socially, financially or environmentally acceptable in the medium to long term. The challenge of balancing immediate energy security needs with the desire to move to a low-carbon future is profound. We are committed to using our proven skills – particularly in technology innovation and commercialisation – to contribute to finding solutions to this challenge. 

During the year, specifi c governance structures have been developed or revised to address the greenhouse gas challenges facing the group. A greenhouse gas management committee meets regularly to discuss strategic issues and take decisions on behalf of the group. A carbon credit management committee functions as a sub-committee of the greenhouse gas management committee and governs the group carbon portfolio. A climate change task team has recently been constituted by the group executive committee to assess, evaluate and make recommendations on pressing matters related to climate change. 

We have committed to reducing the greenhouse gas (GHG) emissions intensity of all our operations by 15% by 2020 on a 2005 baseline, and to reducing our 

absolute GHG emissions by 20% for all new CTL plants commissioned before 2020, and by 30% for plants commissioned before 2030 (with the average 2005 CTL design as the baseline). 

Our absolute emissions of greenhouse gases globally (measured in CO$_{2}$ equivalent), have increased from 71,5 million tons (Mt) in 2009 to 75,0 Mt in 2010, mainly due to the inclusion of Oryx GTL emissions data. This fi gure includes the direct emissions associated with our processes (Scope 1 emissions), the indirect emissions associated with our electricity usage (Scope 2), as well as the emissions associated with the transportation of goods and services at most of our operations (partial Scope 3). For joint-venture projects over which we have operational control, we have included 100% of the GHG emissions, even though we may only have part ownership of the joint venture. Our direct and indirect emissions levels have been independently verified by an external assurance provider. 

Our emissions intensity for 2010 (measured as carbon dioxide equivalent per ton of production) was 3,05; this compares with 3,24 in 2009 and 3,02 in 2008. The improvement in our GHG intensity is primarily due to the inclusion of our Oryx GTL operation, which has a lower carbon intensity. We anticipate further emissions-intensity improvements following the commissioning of the Secunda gas turbine project in June 2010. 

## Addressing the issue of water security 

Ensuring access to a reliable supply of water, and minimising our impacts on water resources, is a critical strategic priority for Sasol. We operate facilities and are planning projects in countries such as South Africa, Qatar, China, India and Uzbekistan, where there are various site-specific challenges relating to the supply, quality and reliability of water resources. Water management has thus 

SD Our separate sustainable development report includes further information on our climate change mitigation activities, along with a comprehensive review of the potential risks and opportunities that climate change presents for our business, and a benchmark of our performance against that of our peers. 

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detailed review of our water management performance and activities is provided in our online sustainable development report, against each of the six areas identifi ed by the UN Global Compact CEO Water Mandate. 

been identified as a material issue in Sasol’s governance matrix, and a dedicated sustainable water function has been established within Sasol New Energy to respond to these challenges. 

Our total water demand for 2010 was 151,3 million cubic metres (Mm$^{3}$). This compares with an annual water demand of 152 Mm$^{3}$ in 2009 and 154 Mm$^{3}$ in 2008. Our total volume of water 

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