EnvironmentInside big tech's $925 million plan to speed up carbon removal Alphabet, Meta and others have teamed up to turbocharge the removal of carbon from the atmosphere. Nan Ransohoff, who heads the project, tells Âé¶¹´«Ã½ why they're betting on new technologies – and trying to avoid the pitfalls of carbon offsetting Analysis
TechnologyHow to make sustainable batteries that won't wreck the planet The batteries we need to power the transition to 100-per-cent renewable electricity require rare metals, and that means destructive mining – but researchers are working on alternatives Features