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John Holdren PhD
Cambridge, MA United States

President Obama's Science Advisor & Director of White House Office of Science & Technology Policy (2009–2017) advising the President on S&T job creation, public health, energy, climate, NASA & more.

space exploration climate change energy policy us energy policy national security public health human spaceflight global warming renewable energy sources nuclear issues green new deal nuclear power biomedicine job creation space program mars homeland security technology policy science policy nasa green energy space travel