Climate: Corporate 'net zero' pledges lack credibility

Nearly half the world's biggest companies have pledged to erase their carbon footprints by around mid-century, but only a handful have credible game plans for doing so, climate policy research groups said Monday.

Want to be an asteroid miner? There's a database for that

Asteroid mining is slowly but surely coming closer to reality. Many start-ups and governmental agencies alike are getting in on the action. But plenty of tools that would help get this burgeoning industry off the ground are ...

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