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How do countries calculate greenhouse gas emissions?

There’s lots of talk about how some countries emit significantly more greenhouse gases than others. And as we all know, it’s crucial that we lower these numbers to avoid the worst effects of the climate crisis. But where do these numbers come from? How do countries measure their emissions and check them for accuracy? Countries estimate these emissions by using a “bottom up approach”. That is, combining data on certain polluting activities with the emissions typically produced by those activities. The problem is GHG levels are still too high. Global emissions need to fall almost 50% by 2030 if we want to avoid more than 1.5 degrees of warming. Unfortunately, while we know how to measure emissions, we’re still not reducing them quickly enough. Find data you need to know in UNEP's Climate Action Note: https://www.unep.org/explore-topics/c... Explore UNEP's six sector solution to Climate Change: https://www.unep.org/interactive/six-... Learn more in UNEP's Emissions Gap Report: https://www.unep.org/resources/emissi...