You don't need to spend $100k to go greener. Have a think about how long you'll be staying in one place. If you are a student and moving every year then you'd probably want no more than goes in the back of a car, which would be one or two large solar panels and a grid tie inverter. That won't make you 100% green but in a houseshare, running the fridge during daylight hours might count for 1/6 of the household bills. Meter it to be fair. Total cost of this starter kit: less than $1000. In a later year it is possible to replicate this kit or get a proffessional installation, but to make a statement, all you need is $1k.
You don't need to spend $100k to go greener. Have a think about how long you'll be staying in one place. If you are a student and moving every year then you'd probably want no more than goes in the back of a car, which would be one or two large solar panels and a grid tie inverter. That won't make you 100% green but in a houseshare, running the fridge during daylight hours might count for 1/6 of the household bills. Meter it to be fair. Total cost of this starter kit: less than $1000. In a later year it is possible to replicate this kit or get a proffessional installation, but to make a statement, all you need is $1k.