Knowledge 4IR

Greener cities are cooler and more equal

Cities with more green spaces can stay cooler in hot weather and provide fairer lives for their residents, experts say. Clear evidence links the state of equality in cities to tree cover, says the World Resources Institute (WRI), a global research organization focused on protecting Earth’s environment. This suggests that trees do much more than keep cities […]

Benefits for Humanity: From Space to Surgery

Artificial intelligence is the latest weapon in the cyber security armory

To understand why artificial intelligence (AI) is a vital tool in today’s and tomorrow’s cybersecurity kit, we have to understand how the threat landscape is evolving and what threats internet users face on a daily basis. The evolving threat landscape The global threat landscape is changing. Internet consumers now face very different threats. On the […]

How smart urban areas can benefit everyone

The promise of our urban areas being transformed into fully smart cities, towns or villages has been a long time coming. Many areas still lag behind in providing what many consider the bare basics of digital infrastructure, such as wireless connectivity. Our urban areas, however, needn’t do this blindly. Universities, stadiums and other large public […]

How many US homes use air conditioning?

Nearly 90 percent of U.S. households used air conditioning in 2020, according to the latest survey by the U.S. Energy Information Administration. This figure has been rising steadily over the past two decades. As our chart shows, central air conditioning equipment, which is used to cool an entire home, made up the majority of usage in the U.S. in […]

The world needs 2 billion electric vehicles to get to net zero. But is there enough lithium to make all the batteries?

What’s soft, silvery-white and could make it harder for the world to go green? It might sound like the start of a joke, but it’s most certainly not one. The answer to the question is lithium, and the bad news for the world is that it potentially has nowhere near enough of it to power […]