Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. women in science. female astronauts Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Many were in attendance including Bill Nye the Science Guy. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.

Independent journalistic coverage of the March for Science 2017 by photographer Alexander Kolls. Americans marched across the nation to encourage scientific literacy. Some issued raised were climate change and evolution deniers, vaccine policy, scientific research funding, mass-extinction prevention, and generally evidence-based policy.