Legions of voluntary net-zero emissions pledges are now in place around the world to meet climate change goals ¡ª though ensuring companies and governments actually meet them is proving a much harder task.

But new automation and web-scraping techniques that aim to help tracking groups gather the data they need could soon help churn out almost real-time assessments of plans, curbing so-called green-washing opportunities among laggards, backers say.

One effort, run by the nonprofit Energy and Climate Intelligence Unit (ECIU), based in Britain, aims to be ¡°the mothership where people come when they think about net zero,¡± said John Lang, the group¡¯s Net Zero Tracker lead.