age ~47
from Allyn, WA
Tinkering with Earth's climate to chill runaway global warming, a radi...
Dr. John P. Holdren, who served as President Obama's Science Advisor a...
President Obama's Science Advisor, Dr. John Holdren, answers your ques...
John Holdren, President Obama's Science Advisor, discusses what action...
John Holdren '65, SM '66, the Teresa and John Heinz Professor of Envir...
[Recorded: Dec. 11, 2013] "Whether it's improving our health or harnes...