17-year-old climate activist Greta Thunberg endorses Joe Biden

Swedish climate activist Greta Thunberg talks to the media before meeting with EU environment ministers in Brussels
Reuters
Greta Thunberg, the teen activist from Sweden who made waves for urging world leaders to take climate change seriously, endorsed former Vice President Joe Biden Saturday. 
"Just get organized and get everyone to vote #Biden," Thunberg said on Twitter.
There are just weeks to go before the November presidential election, and the Biden campaign has positioned itself aga