Bill McKibben, author and founder of 350.org, leaning against fence, while being interviewed by woman reporter, man holding microphone next to her.
Bill McKibben, author and founder of 350.org, speaking to news media while leaning against fence, microphone in front of him
African-American woman holds anti oil company sign.
Two women sitting on bench, one gesturing with hands, one wearing shirt with bicycle on it, man standing behind them with "clean energy" sign.
Two young men addressing crowd at rally, one speaking through megaphone, both wearing earth t-shirts.
Woman looking at cell phone, holding sign against KXL pipeline.
Man holding anti KXL pipeline sign, woman holding sign next to him.
Two women and one man wearing environmental t-shirts, talking while sitting on bench at climate change rally.
Two women sitting on bench, one gesturing with hand, one holding "stop keystone" pipeline sign.
Three women hold signs on environmental issues at rally.
Woman holding up sign about KXL pipeline and China.
Four young girls hold large bright blue banner about fossil fuels at environmental protest.
Large crowd of people at climate change rally, seen from behind, banners and windmills above them.
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climatechangepolitical demonstrationenvironmentprotest350.orgclimate changeglobal warmingBill McKibbenactivistenvironmentalistauthorenvironmental activist