It is natural to find legionella bacteria in freshwater lakes and ponds. Some inevitably gets into domestic supplies and in very small quantities it is harmless. It is when it manages to breed and multiply inside our plumbing systems that it becomes dangerous. The lungs are particularly susceptible. Most people think of a pneumonia-like illness when you say legionella, but it can also cause a variety of problems including “Pontiac fever”, “Lochgoilhead” fever, septic shock and organ failure. Legionella is a killer.

 The last decade has seen huge advances in artificial intelligence, smart devices and video analytics. The next will see a dramatic increase in the devices built from them. In fact, demand will be so high that we need to start thinking about our capacity to deliver them.

The Environment Protection Agency recently declared that “Air pollution has a devastating impact on the UK population, shortening lives, causing early deaths and ill health. It is a bigger global killer than smoking. It costs the UK economy over £20 billion a year.” ( https://www.environmental-protection.org.uk/policy-areas/air-quality/air-pollution-law-and-policy/air-pollution-laws/.)