Insulating attics, replacing windows and adding heat pumps can save money and reduce emissions − if residents can afford the upgrades. Carbon-offset purchases by local companies could help.

A deep dive into 866 public companies and 1,413 carbon projects reveals some twists in who relies on cheap offsets and who chooses to cut their own emissions instead.

A deep dive into 866 public companies and 1,413 carbon projects reveals some twists in who relies on cheap offsets and who chooses to cut their own emissions instead.

The future of these job-generating gigafactories, many of them in Republican states, could be at risk if the next president tries to wipe out the programs that made them possible.

The future of these job-generating gigafactories, many of them in Republican states, could be at risk if the next president tries to wipe out the programs that made them possible.

Health leaders, researchers, advocacy groups, companies and the public have saved millions of lives by reducing the consumption of unhealthy products.

The space missions of the future will need to coordinate multiple satellites and spacecraft − and figure out how to refuel, repair and even replace them in orbit.

Food fraud costs billions globally. But blockchain and machine learning offer hope for a more transparent and safer food system.

New charts and data show how corporate demand could boost clean energy investment in regions where renewable energy potential is strong but wind and solar power have lagged.