Quote by Bill McKibben
"Hope is not blind optimism. It is rooted in the idea that if we work hard enough, change is possible."
More from Bill McKibben
"The most important thing is to change the trajectory we're on"
"We need to think about climate change not as a future threat but as a present reality"
"Fossil fuels are the most important thing holding back the emergence of a more just and peaceful world"
"If it's wrong to wreck the planet, and it is, then it's wrong to profit from that wreckage"