WHAT IS THE GREENHOUSE EFFECT?In the long term, the earth must shed energy into space at the same rate at which it absorbs energy from the sun. Solar energy arrives in the form of shortwavelength radiation. Some of this radiation is reflected away by the earth’s...
1. What is climate change?Climate change is a long-term shift in the climate of a specific location, region or planet. The shift is measured by changes in features associated with average weather, such as temperature, wind patterns and precipitation. What most people...
Platinum miners ‘will pay for their sins’ by André Janse van Vuuren LONMIN and the other major platinum producers of North West will bear the brunt of more violent community protests for as long as discontent over employment, poor service delivery and the...
The South African government lifted the moratorium on fracking on 7 September, opening the way for exploration of what’s been sold as a massive shale gas resource beneath the beautiful, sparsely populated Great Karoo. Fracking (short for hydraulic fracturing) is...
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