Fridays for Future FFF protest with activist marching and holding sign saying there is no planet B in Stuttgart, Germany

fridays for future fff climate activism protest youth movement global environment sustainability greta thunberg demonstration strike school students climatechange future green planet earth awareness advocacy inspiration leadership march globalwarming conservation renewableenergy ecofriendly change responsibility urgency sustainableliving education climateaction empowerment solidarity greengeneration greenmovement activist globalawareness climatecrisis stuttgart vegan elderly germany social movement there is no planet b no planet b