In clause 2, the last definition is the definition of net-zero emissions, which is defined to mean that anthropogenic emissions of GHGs are balanced by anthropogenic removals over a specified period of time. The chair was correct in his interpretation of net zero, and Ms. May's motion would simply say that net zero has to be achieved by, at a minimum, 90% removals. Then, by consequence, up to—but only up to—10% could continue to be emitted, but would be balanced by removals.
On May 26th, 2021. See this statement in context.