As the people flock to cities, infrastructure to accommodate the mushrooming urban populations is strained and environmental pressure grows apace. Cape Town has taken heed and is planning for a greener, more sustainable future. One measure is its increasing use of renewable energy sources.
There are many positive benefits to nuclear energy, not least of which is enough power to end load shedding and blackouts. But there is strong resistance to the idea of nuclear. "People need to understand that we are not a scary industry; we are in your everyday world," says the head of Necsa in the first of a two-parter interview.
Having your company aligned to your city could spark innovative ways of promoting business and tourism. "Choosing a domain name with some local flavour should work well for many companies," says Domains.co.za, which has dotJoburg, dotCapetown and dotDurban available.
Space weather and solar flares have the potential to massively disrupt our planet's electronic, communication and power infrastructure. The South African National Space Agency's regional warning agency in Hermanus tracks the activity of the sun to forecast and help prevent these devastating superstorms.
In a poverty-stricken region of the Karoo desert, a massive new project is set to create jobs, generate renewable solar energy and draw tourists to the area. So big it will be visible from space, there will be nothing quite like the 66-hectare Giant Flag anywhere else on earth.