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Last month, Dr. John Holdren -- the President's science advisor -- invited the public to ask him anything about climate change on social media using the hashtag #AskDrH.

Since then, he's gotten a lot of questions. Brandon, a seventh-grader, wanted to know if climate change will affect him during his lifetime. A number of people asked whether climate change is driving extreme events, like the heavy snowfall we've seen recently in Buffalo, New York. Some people wanted to know what Dr. Holdren is doing to prevent climate change himself. 

And Dr. H answered. In a video series we're releasing today, Dr. Holdren answers some of the questions you asked about our climate, and explains some of the science behind how our planet is changing.

Watch Dr. Holdren's responses to the following questions:

• Will climate change affect me during my lifetime?
• Is climate change driving extreme weather events, such as the recent heavy snowfall in Buffalo?
• Are people truly affecting the climate, or is climate change a natural phenomenon that is part of Earth's climate cycle?
• What about the common claim that temperatures haven't increased for 18 years?
• How much would the world have to reduce carbon emissions in order to prevent an unstoppable process of methane release from the Arctic areas?
• What actions do you [Dr. Holdren] take to prevent climate change?

Dr. Holdren also plans to answer more of your questions soon, so keep them coming! Ask him your questions on Facebook, Twitter, Instagram, or Vine using the hashtag #AskDrH.

You should also see:

• President Obama's plan to fight climate change
• The U.S.-China joint announcement on our actions to reduce carbon pollution
• The President's remarks at the 2014 U.N. Climate Summit