There's truth to the saying, "Think globally, act locally." To resolve a planetary crisis like climate disruption, we need change from the top, but without localized support, that's difficult to achieve.
And grassroots action can grow into something much bigger. Think of Greta Thunberg, whose 2018 solitary school strike for climate outside the Swedish parliament blossomed into a massive youth movement that drew more than four million people to 2,500 events in 163 countries on all seven continents just one year later.
