The highly-rigorous trial suggests that a whole-foods, plant-based diet may be the superior choice. METHODS MAN

The most populous city in Africa is also one of its most vulnerable to sea level rise and floods. To stay afloat, everything from its architecture to its transport may have to change. BBC FUTURE PLANET

With a landmark court ruling, the Naso people of Panama have won the rights to ancestral territory that includes two national reserves the tribe will now help manage. The victory comes as mounting evidence shows that Indigenous groups are often the best protectors of their lands. YALE ENVIRONMENT 360

By adding trees and taming traffic on the Champs Elysées, Paris Mayor Anne Hidalgo promises a car-free makeover for the French capital’s iconic boulevard. BLOOMBERG CITYLAB

Solar companies and farmers can work together to harvest sunlight for both energy and food. HUFFPOST

A $58 million fund is being used to buy up affordable buildings and keep the rents low. FAST COMPANY

The fast-track development of Covid vaccines was an extraordinary feat of scientific progress. But there have been fears that richer countries could hoard jabs at the expense of poorer ones. An ambitious international scheme called Covax aims to make sure vaccines are shared fairly among all nations, rich and poor. BBC NEWS

There are only two remaining rhinos of this species, a mother and daughter, but scientists see new hope in stem cell breakthroughs. THE GUARDIAN

The High Ambition Coalition (HAC) for Nature and People, which includes countries from six continents, made the pledge to protect at least 30 percent of the planet’s land and oceans before the One Planet summit in Paris, hosted by the French president, Emmanuel Macron. GRIST

The radical experiment of just 75 households proves that reserves work in freshwater environments too. NATIONAL GEOGRAPHIC

By looking at what people flush down their toilets, Biobot Analytics can track the spread of COVID-19 and other problems, such as opioid use. THE NEW YORKER

A single infusion of cash helped recipients pay their rent, get to work — and put their lives back on track. REASONS TO BE CHEERFUL

Some countries are rejecting an obsession with GDP and finding different ways to measure success. Welcome to the happiness economy. HUFFPOST

A lot of thermal energy is trapped in the ocean. An ex-NASA researcher has figured out how it might generate unlimited clean power for aquatic robots. WIRED

A large-scale trial of a new treatment it is hoped will help stop Covid-19 patients from developing severe illness has begun in the UK. BBC NEWS

The company becomes the first major U.S. carrier to try to remove the greenhouse gases it spews with every flight. THE WASHINGTON POST

New gene-editing technology could be used to save species from extinction—or to eliminate them. THE NEW YORKER

Scientists are using jellyfish to help solve three problems - removing microplastics from the water, developing new medicines and providing a sustainable source of food. BBC NEWS

The idea of universal basic income is going mainstream as the coronavirus pandemic collapses economies and wipes away millions of jobs. HUFFPOST

The response to Covid-19 has been momentous but discoveries in AI, diet, conservation, space and beyond, show the power of science to improve the world post-pandemic. THE GUARDIAN