Explore signal
Sustainability
Plant and earn: a new approach to urban tree preservation
An innovative community-led programme is paying people to plant and maintain trees
Agriculture & Energy
A novel design cuts the cost of wind power
The low-cost, low-profile design replaces rotating turbine blades with wings that speed round an oval track
Fashion & Beauty
Could microbe-derived dyes transform the fashion industry?
A startup is recreating colours found in nature in the lab for cleaner textiles
Fashion & Beauty
Is circular polycotton clothing the cure for fast fashion’s woes?
A startup is using its proprietary hydrothermal process to recycle polycotton blends
Mobility & Transport
Powering the EV revolution with smart charging
One startup is helping businesses manage their EVs with a user-friendly charging platform
Property & Construction
Hydrogen generators for carbon-free electricity
The technology can provide construction sites with clean energy
Enlightened Leaders
Can you live a more sustainable life?
Alessandro Armillotta, CEO of the sustainability app AWorld, tells us how
Food & Drink
Tasty snacks with all-natural ingredients
The chickpea-based products come in puffs and crisps in a range of flavours
Agriculture & Energy
Modular insect farms for small-scale food producers
The farms can produce protein for use in animal feed, reducing the use of other proteins like soy and fish
Health & Wellbeing
‘Living bandages’ for chronic wounds
Researchers are aiming to cure chronic wound infections with probiotic dressings
Science
A self-healing plastic biodegrades in seawater
Researchers hope the new material could replace conventional plastics in a range of products
Computing & Tech
Could digiting the sense of smell improve our health?
Mapping scents opens the possibility of early disease detection and more