IoT in Sustainability and Circular Economy

Sea-level rise is not a major threat in South Africa but, tied with other climate crisis consequences, it can become one. Here’s how higher sea levels could affect the country’s coastal cities. With the world heating up, countries are expected to make ambitious efforts to keep global temperature rise below 1.50C at the upcoming COP26 negotiations. Africa, one of the most vulnerable regions to the climate crisis, is likely to get hotter at twice the global rate, with sea-level rise a consequence. For a long time, global warming was almost solely a phenomenon associated with melting glaciers. Alongside this notion were images of polar bears stranded on cracked-off pieces of ice — and land expected to almost disappear as it was swallowed by sea-level rise.

Thirty years ago, I visited a small local hotel in Switzerland whose owner implemented sustainable practices in the hotel’s operations. The hotel relied on local produce, served organic food, recycled its waste, collected and used rainwater, and treated laundry waste water to use for flushing toilets. While it was amazing to discover such a concept […]