(Updated!) Maybe it's time to think about investing not only in the future, but in a future more in tandem with the planet? Start here... a quick-list of green-related cryptocurrency projects I can find out there currently. Maybe you know of ones I’ve missed out?
Each one is a big subject, so this is just a starting point. I’m a big fan of initiatives like these (so many!) and hope to write more about them in the future. For now, I hope this provides some helpful reference.
I've only quoted the blurb overviews from the sites, but you can find investment guidance by searching on ICObench, then check under Ratings.
Website. ICObench Renewable energy trading platform/project via tokens.
It enables green energy producers to raise capital by issuing trade-able energy tokens.
Power Ledger is the world leading peer-to-peer marketplace for renewable energy.
4NEW is the world’s first eco-friendly, tangible, waste to energy power plant entirely integrated on the blockchain network and dedicated to crypto-mining.
We collect the waste, process it through a high pressured combustion chamber generating free energy and organic byproducts. We apply this free energy to an onsite crypto-mining farm resolving the achilles heel of cryptocurrencies; voracious energy consumption met with free energy production.
We are producers of energy, NOT an energy exchange platform.
The first cryptocurrency that allows everyone to participate in the fight against Climate Change. Democratizing the carbon markets through Blockchain Technology. Becoming the first carbon zero cryptocurrency in the world.
Bitcoin Green (BITG) is founded on 'The Green Protocol,' which utilizes a highly efficient proof-of-stake consensus algorithm that solves many of Bitcoin’s sustainability and scalability problems. Furthermore, Bitcoin Green can be mined on any computer or laptop without specialized equipment.
Bitcoin Green, the organization, aims to shed light on a number of critical issues facing proof-of-work based blockchains > and raise public awareness for the environmental and economic problems arising from such issues.
EnergyCoin is a Peer to Peer cryptocurrency based on the disruptive Bitcoin technology. Transactions in EnergyCoin run on the Proof of Stake protocol. The choice was a conscious one for a sustainable aware vision of our future. Staking is more energy efficient compared to mining and for now, sit the principles of the EnergyCoin platform better than other protocols.
Website. Solar-orientated cryptocurrency.
SolarCoin uses advances in blockchain to support solar energy deployment across the globe. SolarCoin is a digital asset, solar power production reward and currency designed to support the transition from the fossil-fuel economy towards a solar-backed economy. SolarCoin is calling on governments, international organizations, NGOs, and the solar industry, to use SolarCoin for it to accelerate the global energy transition.
Website. Green crypto project.
EcoBit is the latest in crypto credit offered to the general public which has its foundation built on sustainable green projects. EcoBit uses a tried and tested blockchain technology called NEM, the same technology being used in a commercial blockchain called Mijin which is currently being tested by financial institutions and private companies in Japan and internationally.
Website. Green crypto-mining.
HydroMiner is a cryptocurrency mining company using green energy drawn from hydro power stations in the Alpine region of Europe. Hydro power is generally thought to be one of the most effective and lowest-cost renewable energy resources.
Website. ERC-20 Ethereum-based token.
The Natural Asset Exchange blockchain platform and Earth Token cryptocurrency initial coin offering (ICO) token sale provides a unique opportunity to truly transform the Natural Capital Asset market, by creating a Natural Asset Marketplace that allows all stakeholders in the climate value chain to participate.
CREDits with a mobile mining app that supports green energy. Uses CryptoNight anonymous algorithm.
GENERcoin is a commodity backed digital currency combining two of today's most exciting, exponentially growing fields: renewable energy and cryptocurrencies.
Website. A cryptocurrency for the animals.
Veggie offers an exciting and innovative way to contribute to animal welfare groups and initiatives, without donating large amounts of conventional currency. Users running the Veggie software, will be contributing to the health and welfare of a number of amazing startups and charities, chosen by the Veggie community.
How many of these projects will survive the roller-coaster climate that is crypto?
Perhaps you’ve written about any of these already? Please comment with a link to your post. Just as I was compiling this, I noticed another informative article posted here on this subject by 
