By Shadia Nasralla and Simon Jessop LONDON (Reuters) – Carbon Tracker and Global Energy Monitor said on Monday they had launched the first global registry of oil and gas reserves, production and emissions with data for more than 50,000 fields. The database makes previously disparate or hard-to-access data publicly available, including to investors attempting to better understand which assets could be at risk of being uneconomic, or ‘stranded’, in the low-energy transition. It could also help activists in their efforts to pressure producers or governments to cut fossil fuel output. “It is an en…