Sand

Sand appears such a freely available universal resource that it is easy to forget that availability is not a given and mining it can give rise to problems. In South Africa we are well aware of the exploitation of ilmenite sands and the effect on the environment. These sands are the most important source of… Continue reading Sand

Southern Africa Climate, Outlook and Dam Levels

Good rains have occurred in the northern part of the region while drought conditions continue in the south. This has allowed dam levels to increase rapidly in one part of the region while reaching dangerously low levels in other parts. Columbia University’s International Research Institute for Climate and Society reports that mid March conditions in… Continue reading Southern Africa Climate, Outlook and Dam Levels

Southern Africa Drought #3

As the Pacific sea surface temperature anomaly weakened from its strong positive number scientists became less confident about future trends with forecasts subject to more than the normal variation month to month. On 8 December the International Research Institute for Climate and Society at Columbia University’s Earth institute (IRI) reported that the anomaly was -0.5°C,… Continue reading Southern Africa Drought #3