The assay looks for stomach, oesophageal, colorectal, lung and liver malignancies. SCIENTIFIC AMERICAN

Portugal is the third EU country this year to announce early closure of its last coal plants, as rising carbon costs and competition from gas and clean energy bite. CLIMATE HOME NEWS

EastWest Food Rescue is now a registered nonprofit organisation, having delivered more than 2.4 million pounds of crops to more than 160 food banks. Not only is it helping with food security, but the organisation is paying the farmers, who saw the market for some of their crops vanish during the coronavirus pandemic. THE SEATTLE TIMES

Pooling tests with the help of machine learning can allow us to safely reopen without a vaccine. MIT TECHNOLOGY REVIEW

The UK’s first Community Municipal Investment empowers people to loan money to their local council to help fund green developments in their area, while earning themselves a return. POSITIVE NEWS

Indigenous groups in Ecuador’s Amazon launch new dashboard to monitor rising COVID-19 cases. THOMSON REUTERS FOUNDATION

Report says there are substantial economic benefits to be had from ocean conservation. THE GUARDIAN

An almost infinite supply of an under-used resource could turn unfarmable land into lush fields and solve the world’s food crisis – at least that’s the hope. A decade on, have the projects worked? BBC NEWS

A new coalition of nine climate and technology organizations calling themselves Climate Trace say they have used satellite data, artificial intelligence and other technology to track greenhouse-gas emissions from across the globe remotely. TIME

The B-Lines initiative will create a network of wildflower highways across England to help bees and other pollinators. POSITIVE NEWS

Group of 83 wealthy individuals demands ‘immediate, substantial and permanent’ higher taxes ‘on people like us’. THE GUARDIAN

While some shelters have made headlines for harsh living conditions, others have become unexpected havens for residents. THOMSON REUTERS FOUNDATION

In a bid to create green jobs, Islamabad looks to give 5,000 mainly young people work protecting 15 national parks. THOMSON REUTERS FOUNDATION

A multi-year study underway aims to build healthy urban soil quickly at minimum cost, yielding local, fresh food and climate mitigation as a bonus. CIVIL EATS

Populations of the Australian bilby have been devastated over the past 200 years after being hunted by cats and foxes. Now a conservation programme has helped the species to breed in the wild in New South Wales for the first time in more than a century. Ecologists say it gives hope to the threatened species. BBC NEWS

Loop will offer 150 products from major brands in refillable containers, with more to follow. THE GUARDIAN

More than 50 city declarations put racism’s health impacts on par with disease and addiction. Health organizations and school districts are adopting them too. BLOOMBERG CITYLAB

A new C40 Cities report touts Paris’s model for putting essentials within close walking or biking distance as an economic boost for coronavirus-ravaged municipal budgets. BLOOMBERG CITYLAB

A job scheme for women who may otherwise be shunned as outcasts is giving many the opportunity to rebuild their lives. THE GUARDIAN

Fast fashion is leading to a mountain of clothing being thrown away each year and has a huge impact on the environment, so can we turn our unwanted garments into something useful? BBC FUTURE