Green ecofriendly emoji

[Matt Black via Unicode]

Hi there
Im new to the Emoji discussion world. Im a musician on label Ninja Tune. Also part of Music Declares Climate Emergency, the UK music biz group.
I want to propose some green ecofriendly-emoji. These could just be green versions of existing emoji.
For example, a green thumbs-up. This would be a great start to allow people to respond to all kinds of ecofriendly positive action.

Another few ideas:  

A green lightning bolt ⚡ <https://emojipedia.org/high-voltage-sign/>for renewable energy

A green sun ��for solar power
A green flex bicep ��for green activism
A green thanks ����
A green OKhand ��

After reading the stuff about how to submit emoji it wasn't clear to me how to suggest just additional colours. I feel that putting a green block next to a normal thumbsup for example is not as good as an actual green thumbsup!

As this is just a suggestion to add some coloured versions of existing emoji, it is in a slightly different category to normal applications. Some quick searches show that a phrase such as 'green-thumb' is used. (2900 million hits, the other terms also do well)

I don't want to underline the cause aspect but being eco friendly is something most people can agree on today.

My question is: how should I proceed with this suggestion to add green versions of of say 5 emoji? 
thanks
Matt Black, Coldcut/Ninja Tune

> On 8 Jul 2019, at 23:45, Matt Black <mattb at ninjatune.net> wrote:
> 
> Most of the criteria we meet very well.
> https://unicode.org/emoji/proposals.html#selection_factors <https://unicode.org/emoji/proposals.html#selection_factors>
> Green thumbs up�� see below
> �� okhand
> ����
> ����
> ��
Lightening=green energy


> 
> 
> 
> 
> 
> 
> Green thumbs up�� 
> Thumbs up or just green thumb!
> 
> 
> 
> 
> an exceptional aptitude for gardening or for growing plants successfully:
> Houseplants provide much pleasure for the city dweller with a green thumb.


lightning=green energy

> 
> 
> ����
> Green-thanks


> ����


> Solar-power



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