Satellite monitoring of emissions from countries and companies 'changes everything,' Al Gore says.

[Uncle Joe]

One of the challenges in holding companies and countries accountable for their roles in global warming is how greenhouse gas emission data has been self-reported, former Vice President Al Gore said Wednesday on the sidelines of the COP26 climate summit in Glasgow.

“There’s an old cliché that I’m sure you’ve heard a million times: that you can only manage what you can measure,” Mr. Gore said, speaking at the Climate Hub, a Times event series running alongside the conference.

But, he said, advances in satellite and computer analysis have enabled information about emissions to be tracked independently and in real time, helping scientists assign responsibility for emissions to specific industries, companies and regions.

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“We now have the emissions, for the last five years, for every large source of greenhouse gas emissions on the planet,” said Mr. Gore, whose film about climate change, “An Inconvenient Truth,” won the 2007 Academy Award for best documentary. “By next year, we will have that down to such a granular level that we will be able to report monthly, weekly and in a few cases daily totals from every single significant machine source everywhere in the world.”

(snip)

https://www.nytimes.com/2021/11/03/climate/al-gore-cop26.html