Guys, thanks for your feedback! i will absolutely research more on some of the points you make.
Protein & Weight Lifting (or generally sports): to some extend it's certainly a bit of a hype. But it also seems consensus that to build muscle you need a higher amount of protein, be it naturally in your food or with supplementing. Truth is, i hestitate to take chances there, it's just too much work and if something is missing, you stall. be it vitamins, minerals, carbs, proteins, sleep etc.
that said, my question was more of general nature: if i care about animals but also ecological sustainability, is Vegan Protein Powder the better choice than Whey Protein Powder?
My gut feeling sais, Vegan Protein is better. but then again, only small part of the plants can be used for powder, the rest is used as fertilizer or food for animal production... so i'm not sure how that holds up on the ecological or even animal protection part.
Note: i go different routes currently, trying to find other ways. eating much less meat/poultry and replacing part with farmed fish and more vegan sources. i know some will cry "foul" on this again. but i checked what kind of fish is good from ecological and also care for animal standpoint and currently i'm with mojarra or other smaller herbivore fish. of course this raises questions on how clean the meat is, also, cruelty for the fish. but depending on what you read... these smaller, less developped fish do suffer less than mammals/birds and bigger fish like salmon and tuna. also they have a very good ratio of what has to be fed and what comes out. farming of carnivor fish can be terrible from ecological standpoint, you have to fish 3 times the fish from the ocean than what you get out of the tank. so, if overfishing is a concern, they are no option.