How about an environmentally-friend crypto?

[remotemass]

https://techcrunch.com/2017/11/08/chia-network-cryptocurrency/

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[Salty yor]

In distributed ledger technology provides a friendly environment where cryptocurrencies can spring up and develop, it also has its counterparts, precisely in the management of keeping up a healthy and always growing blockchain.

[virendarnagpal]

As written in the link provided by you; that one bitcoin transaction burns the electricity equal to the electricity consumed by one American house.  If it is true it is definitely the issue which needs attention.
But I also want to add that with the passage of time we are witnessing more and more technical inventions.  One very big so fatty television was common in our rooms few years back; which was consuming very much electricity but now we are having LED televisions which are very cheap.
So with progress and development I think this issue will also be solved.
One other solution is using renewable natural energy instead of petro coal atom energy.   We will have to divert to wind and solar energy to save our planet.

[MMS2017]

the crypto is currency which can be fit in every thing like if we look at the environment i think from this crypto there is nothing harmful to the economy but as a currency we can donate some crypto for the betterment of the society.

[Kakmakr]

Do not belief all the crap that you read in mainstream media about Bitcoin's electricity usage, because they just focus on the total hashing power & electricity spend per transaction, but they leave out that most of that electricity is from renewable energy sources.

They also do not compare the total usage of our competitors <VISA/PayPal/Banks/WU/MoneyGram> If you calculate the electricity usage for all their offices, it would be much more than the electricity spend on Bitcoin.