American Geophysical Union AMA: Hi Reddit, I'm Piers Forster, I am here to talk about what caused past global warming and what will happen in the future. I am currently Chair of Climate Physics and Director of the Priestley International Centre for Climate, University of Leeds, UK. Ask Me Anything!

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I'm Piers Forster and I principally research causes of past climate change and how well we can predict future climate change. I can take Qs on the evidence base for human-induced global warming and how much we should trust our climate model predictions of possible futures, including uncertainty in climate sensitivity – the Earth’s response to a doubling of carbon dioxide – one of the biggest uncertainties in climate science. I also lead an interdisciplinary centre looking at climate solutions, and I would welcome a discussion of ideas on possible solutions. Does solar geoengineering or large-scale carbon capture and storage have legs? Where should we concentrate research effort? Any whacky ideas we should look into?

I’ll be back at 11pm EDT to answer your questions. Ask Me Anything!

The AGU AMA series is conducted by the Sharing Science program. Sharing Science: By scientists, for everyone. More at sharingscience.agu.org.

">American Geophysical Union AMA: Hi Reddit, I'm Piers Forster, I am here to talk about what caused past global warming and what will happen in the future. I am currently Chair of Climate Physics and Director of the Priestley International Centre for Climate, University of Leeds, UK. Ask Me Anything!