Things you can copy and paste. Please link images to https://icebreakerone.org wherever possible, thank you.
Net-Zero or net zero?
As a noun, don’t hyphenate: Delivering Net Zero.
As an adjective, hyphenate: We need to achieve net-zero emissions. Driving towards a Net-Zero Future.
Capitalise? Up to you / context.
Licence vs License
We use British English for ‘licence’ (as a noun) and ‘to license’ (as a verb). (FYI, American English uses ‘license’ with an ‘s’ as both a noun and as a verb)