A slew of telehealth startups in the US market themselves as convenient ways to access healthcare, but many are unregulated, raising concerns about patient privacy and unnecessary drug prescriptions
Several companies are beginning to scale up production of jet fuel made from captured carbon dioxide and green hydrogen, but decarbonising global aviation this way would require huge amounts of clean energy
Record adoption of clean energy technologies over the past two years keeps targets to avoid global warming above 1.5 ̊C within reach, according to a report from the International Energy Agency
Just a year ago, few people took seriously the idea that we could extract hydrogen from the ground as a clean energy source - but now the US Department of Energy is injecting $20 million into the concept
New York City has begun construction on a project to hook up its grid to hydroelectric power plants in Canada via a 546-kilometre-long transmission line
Cutting carbon emissions means replacing the heating systems in homes, transforming transport and greening steel production. All of these will take time, but the UK prime minister has instead chosen to delay the transition